28964685 has 32 divisors (see below), whose sum is σ = 49617792. Its totient is φ = 14376960.

The previous prime is 28964653. The next prime is 28964687. The reversal of 28964685 is 58646982.

It is a happy number.

It is not a de Polignac number, because 28964685 - 2⁵ = 28964653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28964687) 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 31 ways as a sum of consecutive naturals, for example, 24150 + ... + 25320.

It is an arithmetic number, because the mean of its divisors is an integer number (1550556).

Almost surely, 2^28964685 is an apocalyptic number.

It is an amenable number.

28964685 is a deficient number, since it is larger than the sum of its proper divisors (20653107).

28964685 is a wasteful number, since it uses less digits than its factorization.

28964685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293.

The product of its digits is 829440, while the sum is 48.

The square root of 28964685 is about 5381.8848928605. The cubic root of 28964685 is about 307.1069205682.

The spelling of 28964685 in words is "twenty-eight million, nine hundred sixty-four thousand, six hundred eighty-five".