28831160 has 16 divisors (see below), whose sum is σ = 64870200. Its totient is φ = 11532448.

The previous prime is 28831141. The next prime is 28831169. The reversal of 28831160 is 6113882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28831169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360350 + ... + 360429.

Almost surely, 2^28831160 is an apocalyptic number.

28831160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28831160 is an abundant number, since it is smaller than the sum of its proper divisors (36039040).

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

28831160 is a wasteful number, since it uses less digits than its factorization.

28831160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720790 (or 720786 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 28831160 is about 5369.4655227499. The cubic root of 28831160 is about 306.6342803438.

The spelling of 28831160 in words is "twenty-eight million, eight hundred thirty-one thousand, one hundred sixty".