28964313 has 24 divisors (see below), whose sum is σ = 48117888. Its totient is φ = 16445952.

The previous prime is 28964293. The next prime is 28964329. The reversal of 28964313 is 31346982.

28964313 is a `hidden beast` number, since 2 + 8 + 9 + 643 + 1 + 3 = 666.

It is not a de Polignac number, because 28964313 - 2⁵ = 28964281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28964333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9145 + ... + 11897.

It is an arithmetic number, because the mean of its divisors is an integer number (2004912).

Almost surely, 2^28964313 is an apocalyptic number.

It is an amenable number.

28964313 is a deficient number, since it is larger than the sum of its proper divisors (19153575).

28964313 is a wasteful number, since it uses less digits than its factorization.

28964313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933 (or 2930 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 28964313 is about 5381.8503323671. The cubic root of 28964313 is about 307.1056058147.

The spelling of 28964313 in words is "twenty-eight million, nine hundred sixty-four thousand, three hundred thirteen".