28029296 has 20 divisors (see below), whose sum is σ = 55463712. Its totient is φ = 13716096.

The previous prime is 28029289. The next prime is 28029347. The reversal of 28029296 is 69292082.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17885 + ... + 19388.

Almost surely, 2^28029296 is an apocalyptic number.

It is an amenable number.

28029296 is a deficient number, since it is larger than the sum of its proper divisors (27434416).

28029296 is a wasteful number, since it uses less digits than its factorization.

28029296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37328 (or 37322 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 28029296 is about 5294.2701102229. The cubic root of 28029296 is about 303.7647649289.

The spelling of 28029296 in words is "twenty-eight million, twenty-nine thousand, two hundred ninety-six".