28358315 has 8 divisors (see below), whose sum is σ = 34279200. Its totient is φ = 22520512.

The previous prime is 28358311. The next prime is 28358321. The reversal of 28358315 is 51385382.

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

It is a cyclic number.

It is not a de Polignac number, because 28358315 - 2² = 28358311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28358311) 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, 20015 + ... + 21384.

It is an arithmetic number, because the mean of its divisors is an integer number (4284900).

Almost surely, 2^28358315 is an apocalyptic number.

28358315 is a deficient number, since it is larger than the sum of its proper divisors (5920885).

28358315 is a wasteful number, since it uses less digits than its factorization.

28358315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41541.

The product of its digits is 28800, while the sum is 35.

The square root of 28358315 is about 5325.2525761695. The cubic root of 28358315 is about 304.9487148384.

The spelling of 28358315 in words is "twenty-eight million, three hundred fifty-eight thousand, three hundred fifteen".