3936618 has 48 divisors (see below), whose sum is σ = 9859200. Its totient is φ = 1111968.

The previous prime is 3936599. The next prime is 3936623. The reversal of 3936618 is 8166393.

It is a happy number.

3936618 is a `hidden beast` number, since 3 + 9 + 36 + 618 = 666.

3936618 is nontrivially palindromic in base 13.

It is a super-2 number, since 2×3936618² = 30993922555848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19683 + ... + 19881.

It is an arithmetic number, because the mean of its divisors is an integer number (205400).

Almost surely, 2^3936618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3936618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4929600).

3936618 is an abundant number, since it is smaller than the sum of its proper divisors (5922582).

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

3936618 is a wasteful number, since it uses less digits than its factorization.

3936618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 368 counting only the distinct ones).

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

The square root of 3936618 is about 1984.0912277413. The cubic root of 3936618 is about 157.8971985230.

It can be divided in two parts, 3936 and 618, that added together give a palindrome (4554).

The spelling of 3936618 in words is "three million, nine hundred thirty-six thousand, six hundred eighteen".