28732192 has 12 divisors (see below), whose sum is σ = 56566566. Its totient is φ = 14366080.

The previous prime is 28732189. The next prime is 28732219. The reversal of 28732192 is 29123782.

It can be written as a sum of positive squares in only one way, i.e., 25361296 + 3370896 = 5036^2 + 1836^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448909 + ... + 448972.

Almost surely, 2^28732192 is an apocalyptic number.

It is an amenable number.

28732192 is a deficient number, since it is larger than the sum of its proper divisors (27834374).

28732192 is an equidigital number, since it uses as much as digits as its factorization.

28732192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897891 (or 897883 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 28732192 is about 5360.2417855914. The cubic root of 28732192 is about 306.2830195135.

The spelling of 28732192 in words is "twenty-eight million, seven hundred thirty-two thousand, one hundred ninety-two".