28375626 has 16 divisors (see below), whose sum is σ = 59738400. Its totient is φ = 8960688.

The previous prime is 28375549. The next prime is 28375631. The reversal of 28375626 is 62657382.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124341 + ... + 124568.

It is an arithmetic number, because the mean of its divisors is an integer number (3733650).

Almost surely, 2^28375626 is an apocalyptic number.

28375626 is an abundant number, since it is smaller than the sum of its proper divisors (31362774).

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

28375626 is a wasteful number, since it uses less digits than its factorization.

28375626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248933.

The product of its digits is 120960, while the sum is 39.

The square root of 28375626 is about 5326.8776971130. The cubic root of 28375626 is about 305.0107530026.

The spelling of 28375626 in words is "twenty-eight million, three hundred seventy-five thousand, six hundred twenty-six".