28358316 has 48 divisors (see below), whose sum is σ = 84026880. Its totient is φ = 8102160.

The previous prime is 28358311. The next prime is 28358321. The reversal of 28358316 is 61385382.

It is an interprime number because it is at equal distance from previous prime (28358311) and next prime (28358321).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (28358311) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18000 + ... + 19511.

It is an arithmetic number, because the mean of its divisors is an integer number (1750560).

Almost surely, 2^28358316 is an apocalyptic number.

It is an amenable number.

28358316 is an abundant number, since it is smaller than the sum of its proper divisors (55668564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28358316 is a wasteful number, since it uses less digits than its factorization.

28358316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37531 (or 37523 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 28358316 is about 5325.2526700618. The cubic root of 28358316 is about 304.9487184229.

The spelling of 28358316 in words is "twenty-eight million, three hundred fifty-eight thousand, three hundred sixteen".