3613896 has 144 divisors (see below), whose sum is σ = 11990160. Its totient is φ = 1010880.

The previous prime is 3613889. The next prime is 3613931. The reversal of 3613896 is 6983163.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 3613896.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 277986 + ... + 277998.

It is an arithmetic number, because the mean of its divisors is an integer number (83265).

Almost surely, 2^3613896 is an apocalyptic number.

3613896 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3613896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5995080).

3613896 is an abundant number, since it is smaller than the sum of its proper divisors (8376264).

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

3613896 is a wasteful number, since it uses less digits than its factorization.

3613896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58 (or 29 counting only the distinct ones).

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

The square root of 3613896 is about 1901.0249866848. The cubic root of 3613896 is about 153.4588302553.

The spelling of 3613896 in words is "three million, six hundred thirteen thousand, eight hundred ninety-six".