28956718 has 16 divisors (see below), whose sum is σ = 50982624. Its totient is φ = 12074400.

The previous prime is 28956679. The next prime is 28956721. The reversal of 28956718 is 81765982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27433 + ... + 28468.

It is an arithmetic number, because the mean of its divisors is an integer number (3186414).

Almost surely, 2^28956718 is an apocalyptic number.

28956718 is a deficient number, since it is larger than the sum of its proper divisors (22025906).

28956718 is a wasteful number, since it uses less digits than its factorization.

28956718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55947.

The product of its digits is 241920, while the sum is 46.

The square root of 28956718 is about 5381.1446737660. The cubic root of 28956718 is about 307.0787604691.

The spelling of 28956718 in words is "twenty-eight million, nine hundred fifty-six thousand, seven hundred eighteen".