3928576 has 20 divisors (see below), whose sum is σ = 7850502. Its totient is φ = 1964032.

The previous prime is 3928553. The next prime is 3928577. The reversal of 3928576 is 6758293.

It can be written as a sum of positive squares in only one way, i.e., 3154176 + 774400 = 1776^2 + 880^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3928577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3325 + ... + 4348.

Almost surely, 2^3928576 is an apocalyptic number.

It is an amenable number.

3928576 is a deficient number, since it is larger than the sum of its proper divisors (3921926).

3928576 is an frugal number, since it uses more digits than its factorization.

3928576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7691 (or 7675 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 3928576 is about 1982.0635711298. The cubic root of 3928576 is about 157.7896040567.

The spelling of 3928576 in words is "three million, nine hundred twenty-eight thousand, five hundred seventy-six".