3928528 has 10 divisors (see below), whose sum is σ = 7611554. Its totient is φ = 1964256.

The previous prime is 3928493. The next prime is 3928553. The reversal of 3928528 is 8258293.

It can be written as a sum of positive squares in only one way, i.e., 3139984 + 788544 = 1772^2 + 888^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122751 + ... + 122782.

Almost surely, 2^3928528 is an apocalyptic number.

It is an amenable number.

3928528 is a deficient number, since it is larger than the sum of its proper divisors (3683026).

3928528 is a wasteful number, since it uses less digits than its factorization.

3928528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245541 (or 245535 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 3928528 is about 1982.0514625004. The cubic root of 3928528 is about 157.7889614208.

The spelling of 3928528 in words is "three million, nine hundred twenty-eight thousand, five hundred twenty-eight".