3940524 has 72 divisors (see below), whose sum is σ = 11997440. Its totient is φ = 1065312.

The previous prime is 3940523. The next prime is 3940553. The reversal of 3940524 is 4250493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3940523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4377 + ... + 5199.

Almost surely, 2^3940524 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 3940524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5998720).

3940524 is an abundant number, since it is smaller than the sum of its proper divisors (8056916).

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

3940524 is a wasteful number, since it uses less digits than its factorization.

3940524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 854 counting only the distinct ones).

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

The square root of 3940524 is about 1985.0753134327. The cubic root of 3940524 is about 157.9494042985.

The spelling of 3940524 in words is "three million, nine hundred forty thousand, five hundred twenty-four".