3618396 has 18 divisors (see below), whose sum is σ = 9146592. Its totient is φ = 1206120.

The previous prime is 3618347. The next prime is 3618397. The reversal of 3618396 is 6938163.

It is a happy number.

3618396 is a `hidden beast` number, since 3 + 618 + 39 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×3618396² = 26185579225632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 100511 = 3618396 / (3 + 6 + 1 + 8 + 3 + 9 + 6).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3618396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3618397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50220 + ... + 50291.

It is an arithmetic number, because the mean of its divisors is an integer number (508144).

Almost surely, 2^3618396 is an apocalyptic number.

3618396 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3618396 is an abundant number, since it is smaller than the sum of its proper divisors (5528196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3618396 is a wasteful number, since it uses less digits than its factorization.

3618396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100521 (or 100516 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 3618396 is about 1902.2081904986. The cubic root of 3618396 is about 153.5224991512.

The spelling of 3618396 in words is "three million, six hundred eighteen thousand, three hundred ninety-six".