28925316 has 48 divisors (see below), whose sum is σ = 85706880. Its totient is φ = 8264160.

The previous prime is 28925291. The next prime is 28925317. The reversal of 28925316 is 61352982.

It is a super-3 number, since 3×28925316³ (a number of 23 digits) contains 333 as substring.

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 (28925317) 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, 18375 + ... + 19886.

It is an arithmetic number, because the mean of its divisors is an integer number (1785560).

Almost surely, 2^28925316 is an apocalyptic number.

It is an amenable number.

28925316 is an abundant number, since it is smaller than the sum of its proper divisors (56781564).

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

28925316 is a wasteful number, since it uses less digits than its factorization.

28925316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38281 (or 38273 counting only the distinct ones).

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

The square root of 28925316 is about 5378.2261016064. The cubic root of 28925316 is about 306.9677168641.

It can be divided in two parts, 28925 and 316, that added together give a square (29241 = 171²).

The spelling of 28925316 in words is "twenty-eight million, nine hundred twenty-five thousand, three hundred sixteen".