28446315 has 8 divisors (see below), whose sum is σ = 45514128. Its totient is φ = 15171360.

The previous prime is 28446293. The next prime is 28446323. The reversal of 28446315 is 51364482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28446315 - 2¹⁴ = 28429931 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 948196 + ... + 948225.

It is an arithmetic number, because the mean of its divisors is an integer number (5689266).

Almost surely, 2^28446315 is an apocalyptic number.

28446315 is a deficient number, since it is larger than the sum of its proper divisors (17067813).

28446315 is a wasteful number, since it uses less digits than its factorization.

28446315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896429.

The product of its digits is 23040, while the sum is 33.

The square root of 28446315 is about 5333.5086950337. The cubic root of 28446315 is about 305.2638226121.

The spelling of 28446315 in words is "twenty-eight million, four hundred forty-six thousand, three hundred fifteen".