28590964 has 12 divisors (see below), whose sum is σ = 50250564. Its totient is φ = 14233664.

The previous prime is 28590937. The next prime is 28590967. The reversal of 28590964 is 46909582.

It can be written as a sum of positive squares in 2 ways, for example, as 13380964 + 15210000 = 3658^2 + 3900^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28590964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28590967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14407 + ... + 16270.

It is an arithmetic number, because the mean of its divisors is an integer number (4187547).

Almost surely, 2^28590964 is an apocalyptic number.

It is an amenable number.

28590964 is a deficient number, since it is larger than the sum of its proper divisors (21659600).

28590964 is a wasteful number, since it uses less digits than its factorization.

28590964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30914 (or 30912 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 28590964 is about 5347.0518980088. The cubic root of 28590964 is about 305.7803684056.

The spelling of 28590964 in words is "twenty-eight million, five hundred ninety thousand, nine hundred sixty-four".