28572896 has 24 divisors (see below), whose sum is σ = 61367544. Its totient is φ = 12987520.

The previous prime is 28572893. The next prime is 28572953. The reversal of 28572896 is 69827582.

It is a self number, because there is not a number n which added to its sum of digits gives 28572896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28572893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40235 + ... + 40938.

It is an arithmetic number, because the mean of its divisors is an integer number (2556981).

Almost surely, 2^28572896 is an apocalyptic number.

It is an amenable number.

28572896 is an abundant number, since it is smaller than the sum of its proper divisors (32794648).

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

28572896 is a wasteful number, since it uses less digits than its factorization.

28572896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81194 (or 81186 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 28572896 is about 5345.3621018599. The cubic root of 28572896 is about 305.7159424106.

The spelling of 28572896 in words is "twenty-eight million, five hundred seventy-two thousand, eight hundred ninety-six".