28213298 has 16 divisors (see below), whose sum is σ = 43153344. Its totient is φ = 13830960.

The previous prime is 28213279. The next prime is 28213307. The reversal of 28213298 is 89231282.

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, 41336 + ... + 42012.

It is an arithmetic number, because the mean of its divisors is an integer number (2697084).

Almost surely, 2^28213298 is an apocalyptic number.

28213298 is a deficient number, since it is larger than the sum of its proper divisors (14940046).

28213298 is a wasteful number, since it uses less digits than its factorization.

28213298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057.

The product of its digits is 13824, while the sum is 35.

The square root of 28213298 is about 5311.6191505039. The cubic root of 28213298 is about 304.4280169543.

The spelling of 28213298 in words is "twenty-eight million, two hundred thirteen thousand, two hundred ninety-eight".