28838315 has 16 divisors (see below), whose sum is σ = 38396160. Its totient is φ = 20615520.

The previous prime is 28838291. The next prime is 28838321. The reversal of 28838315 is 51383882.

It is not a de Polignac number, because 28838315 - 2¹⁴ = 28821931 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1199 + ... + 7688.

It is an arithmetic number, because the mean of its divisors is an integer number (2399760).

Almost surely, 2^28838315 is an apocalyptic number.

28838315 is a deficient number, since it is larger than the sum of its proper divisors (9557845).

28838315 is a wasteful number, since it uses less digits than its factorization.

28838315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8962.

The product of its digits is 46080, while the sum is 38.

The square root of 28838315 is about 5370.1317488494. The cubic root of 28838315 is about 306.6596439528.

The spelling of 28838315 in words is "twenty-eight million, eight hundred thirty-eight thousand, three hundred fifteen".