28873310 has 16 divisors (see below), whose sum is σ = 55029456. Its totient is φ = 10869888.

The previous prime is 28873297. The next prime is 28873319. The reversal of 28873310 is 1337882.

It is a super-2 number, since 2×28873310² = 1667336060712200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28873319) by changing a digit.

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, 84752 + ... + 85091.

It is an arithmetic number, because the mean of its divisors is an integer number (3439341).

Almost surely, 2^28873310 is an apocalyptic number.

28873310 is a deficient number, since it is larger than the sum of its proper divisors (26156146).

28873310 is a wasteful number, since it uses less digits than its factorization.

28873310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169867.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 28873310 is about 5373.3890609186. The cubic root of 28873310 is about 306.7836365912.

The spelling of 28873310 in words is "twenty-eight million, eight hundred seventy-three thousand, three hundred ten".