28625842 has 16 divisors (see below), whose sum is σ = 50765760. Its totient is φ = 11845008.

The previous prime is 28625833. The next prime is 28625843. The reversal of 28625842 is 24852682.

It is not an unprimeable number, because it can be changed into a prime (28625843) 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, 34848 + ... + 35659.

It is an arithmetic number, because the mean of its divisors is an integer number (3172860).

Almost surely, 2^28625842 is an apocalyptic number.

28625842 is a deficient number, since it is larger than the sum of its proper divisors (22139918).

28625842 is a wasteful number, since it uses less digits than its factorization.

28625842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70545.

The product of its digits is 61440, while the sum is 37.

The square root of 28625842 is about 5350.3123273319. The cubic root of 28625842 is about 305.9046579526.

The spelling of 28625842 in words is "twenty-eight million, six hundred twenty-five thousand, eight hundred forty-two".