3904524 has 84 divisors (see below), whose sum is σ = 11139856. Its totient is φ = 1189728.

The previous prime is 3904517. The next prime is 3904547. The reversal of 3904524 is 4254093.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 37857 + ... + 37959.

Almost surely, 2^3904524 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 3904524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5569928).

3904524 is an abundant number, since it is smaller than the sum of its proper divisors (7235332).

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

3904524 is a wasteful number, since it uses less digits than its factorization.

3904524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 3904524 is about 1975.9868420615. The cubic root of 3904524 is about 157.4669318331.

The spelling of 3904524 in words is "three million, nine hundred four thousand, five hundred twenty-four".