27628448 has 36 divisors (see below), whose sum is σ = 55516230. Its totient is φ = 13533696.

The previous prime is 27628439. The next prime is 27628453. The reversal of 27628448 is 84482672.

It can be written as a sum of positive squares in 3 ways, for example, as 18215824 + 9412624 = 4268^2 + 3068^2 .

It is a super-2 number, since 2×27628448² = 1526662277777408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 253418 + ... + 253526.

Almost surely, 2^27628448 is an apocalyptic number.

It is an amenable number.

27628448 is an abundant number, since it is smaller than the sum of its proper divisors (27887782).

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

27628448 is an equidigital number, since it uses as much as digits as its factorization.

27628448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 200 counting only the distinct ones).

The product of its digits is 172032, while the sum is 41.

The square root of 27628448 is about 5256.2770094431. The cubic root of 27628448 is about 302.3097562991.

The spelling of 27628448 in words is "twenty-seven million, six hundred twenty-eight thousand, four hundred forty-eight".