28264334 has 24 divisors (see below), whose sum is σ = 49705104. Its totient is φ = 11808000.

The previous prime is 28264307. The next prime is 28264349. The reversal of 28264334 is 43346282.

It is a self number, because there is not a number n which added to its sum of digits gives 28264334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22934 + ... + 24134.

It is an arithmetic number, because the mean of its divisors is an integer number (2071046).

Almost surely, 2^28264334 is an apocalyptic number.

28264334 is a deficient number, since it is larger than the sum of its proper divisors (21440770).

28264334 is a wasteful number, since it uses less digits than its factorization.

28264334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292 (or 1251 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 28264334 is about 5316.4211646558. The cubic root of 28264334 is about 304.6114697990.

The spelling of 28264334 in words is "twenty-eight million, two hundred sixty-four thousand, three hundred thirty-four".