28875626 has 32 divisors (see below), whose sum is σ = 49230720. Its totient is φ = 12602304.

The previous prime is 28875599. The next prime is 28875641. The reversal of 28875626 is 62657882.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64961 + ... + 65403.

It is an arithmetic number, because the mean of its divisors is an integer number (1538460).

Almost surely, 2^28875626 is an apocalyptic number.

28875626 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28875626 is a deficient number, since it is larger than the sum of its proper divisors (20355094).

28875626 is a wasteful number, since it uses less digits than its factorization.

28875626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590.

The product of its digits is 322560, while the sum is 44.

The square root of 28875626 is about 5373.6045630470. The cubic root of 28875626 is about 306.7918389980.

The spelling of 28875626 in words is "twenty-eight million, eight hundred seventy-five thousand, six hundred twenty-six".