28562442 has 16 divisors (see below), whose sum is σ = 58203360. Its totient is φ = 9341072.

The previous prime is 28562441. The next prime is 28562447. The reversal of 28562442 is 24426582.

It is not an unprimeable number, because it can be changed into a prime (28562441) 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, 44592 + ... + 45227.

It is an arithmetic number, because the mean of its divisors is an integer number (3637710).

Almost surely, 2^28562442 is an apocalyptic number.

28562442 is an abundant number, since it is smaller than the sum of its proper divisors (29640918).

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

28562442 is a wasteful number, since it uses less digits than its factorization.

28562442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89877.

The product of its digits is 30720, while the sum is 33.

The square root of 28562442 is about 5344.3841553541. The cubic root of 28562442 is about 305.6786536421.

The spelling of 28562442 in words is "twenty-eight million, five hundred sixty-two thousand, four hundred forty-two".