3915136 has 32 divisors (see below), whose sum is σ = 7925400. Its totient is φ = 1926144.

The previous prime is 3915127. The next prime is 3915139. The reversal of 3915136 is 6315193.

It is a tau number, because it is divible by the number of its divisors (32).

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3915139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9135 + ... + 9553.

Almost surely, 2^3915136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3915136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3962700).

3915136 is an abundant number, since it is smaller than the sum of its proper divisors (4010264).

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

3915136 is an equidigital number, since it uses as much as digits as its factorization.

3915136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 494 counting only the distinct ones).

The product of its digits is 2430, while the sum is 28.

The square root of 3915136 is about 1978.6702605538. The cubic root of 3915136 is about 157.6094611548.

The spelling of 3915136 in words is "three million, nine hundred fifteen thousand, one hundred thirty-six".