28625036 has 24 divisors (see below), whose sum is σ = 54788160. Its totient is φ = 12978000.

The previous prime is 28625033. The next prime is 28625063. The reversal of 28625036 is 63052682.

It is a junction number, because it is equal to n+sod(n) for n = 28624993 and 28625011.

It is not an unprimeable number, because it can be changed into a prime (28625033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26711 + ... + 27761.

It is an arithmetic number, because the mean of its divisors is an integer number (2282840).

Almost surely, 2^28625036 is an apocalyptic number.

It is an amenable number.

28625036 is a deficient number, since it is larger than the sum of its proper divisors (26163124).

28625036 is a wasteful number, since it uses less digits than its factorization.

28625036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685 (or 1683 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 28625036 is about 5350.2370040962. The cubic root of 28625036 is about 305.9017868700.

The spelling of 28625036 in words is "twenty-eight million, six hundred twenty-five thousand, thirty-six".