28831192 has 16 divisors (see below), whose sum is σ = 58217040. Its totient is φ = 13306656.

The previous prime is 28831169. The next prime is 28831193. The reversal of 28831192 is 29113882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28831193) 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, 138508 + ... + 138715.

It is an arithmetic number, because the mean of its divisors is an integer number (3638565).

Almost surely, 2^28831192 is an apocalyptic number.

It is an amenable number.

28831192 is an abundant number, since it is smaller than the sum of its proper divisors (29385848).

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

28831192 is a wasteful number, since it uses less digits than its factorization.

28831192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277242 (or 277238 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The square root of 28831192 is about 5369.4685025615. The cubic root of 28831192 is about 306.6343937893.

The spelling of 28831192 in words is "twenty-eight million, eight hundred thirty-one thousand, one hundred ninety-two".