28296315 has 24 divisors (see below), whose sum is σ = 50740560. Its totient is φ = 14570304.

The previous prime is 28296293. The next prime is 28296337. The reversal of 28296315 is 51369282.

It is an interprime number because it is at equal distance from previous prime (28296293) and next prime (28296337).

It is not a de Polignac number, because 28296315 - 2⁵ = 28296283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28296315.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9537 + ... + 12146.

It is an arithmetic number, because the mean of its divisors is an integer number (2114190).

Almost surely, 2^28296315 is an apocalyptic number.

28296315 is a deficient number, since it is larger than the sum of its proper divisors (22444245).

28296315 is a wasteful number, since it uses less digits than its factorization.

28296315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21723 (or 21720 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 28296315 is about 5319.4280707610. The cubic root of 28296315 is about 304.7263154494.

The spelling of 28296315 in words is "twenty-eight million, two hundred ninety-six thousand, three hundred fifteen".