28964038 has 8 divisors (see below), whose sum is σ = 45335088. Its totient is φ = 13852344.

The previous prime is 28964027. The next prime is 28964041. The reversal of 28964038 is 83046982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314781 + ... + 314872.

It is an arithmetic number, because the mean of its divisors is an integer number (5666886).

Almost surely, 2^28964038 is an apocalyptic number.

28964038 is a deficient number, since it is larger than the sum of its proper divisors (16371050).

28964038 is a wasteful number, since it uses less digits than its factorization.

28964038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629678.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 28964038 is about 5381.8247834726. The cubic root of 28964038 is about 307.1046338795.

The spelling of 28964038 in words is "twenty-eight million, nine hundred sixty-four thousand, thirty-eight".