28315359 has 8 divisors (see below), whose sum is σ = 41948720. Its totient is φ = 18876888.

The previous prime is 28315337. The next prime is 28315361. The reversal of 28315359 is 95351382.

It is not a de Polignac number, because 28315359 - 2⁵ = 28315327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28315759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524332 + ... + 524385.

It is an arithmetic number, because the mean of its divisors is an integer number (5243590).

Almost surely, 2^28315359 is an apocalyptic number.

28315359 is a deficient number, since it is larger than the sum of its proper divisors (13633361).

28315359 is a wasteful number, since it uses less digits than its factorization.

28315359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048726 (or 1048720 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 28315359 is about 5321.2178117420. The cubic root of 28315359 is about 304.7946624709.

The spelling of 28315359 in words is "twenty-eight million, three hundred fifteen thousand, three hundred fifty-nine".