3996528 has 40 divisors (see below), whose sum is σ = 10416000. Its totient is φ = 1320384.

The previous prime is 3996527. The next prime is 3996529. The reversal of 3996528 is 8256993.

It is an interprime number because it is at equal distance from previous prime (3996527) and next prime (3996529).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3996528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3996521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6373 + ... + 6971.

It is an arithmetic number, because the mean of its divisors is an integer number (260400).

Almost surely, 2^3996528 is an apocalyptic number.

It is an amenable number.

3996528 is an abundant number, since it is smaller than the sum of its proper divisors (6419472).

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

3996528 is a wasteful number, since it uses less digits than its factorization.

3996528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 743 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 3996528 is about 1999.1318115622. The cubic root of 3996528 is about 158.6941630979.

It can be divided in two parts, 39965 and 28, that added together give a palindrome (39993).

The spelling of 3996528 in words is "three million, nine hundred ninety-six thousand, five hundred twenty-eight".