27799456 has 48 divisors (see below), whose sum is σ = 57806784. Its totient is φ = 13133824.

The previous prime is 27799441. The next prime is 27799459. The reversal of 27799456 is 65499772.

It is not an unprimeable number, because it can be changed into a prime (27799459) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 78576 + ... + 78928.

It is an arithmetic number, because the mean of its divisors is an integer number (1204308).

Almost surely, 2^27799456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27799456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28903392).

27799456 is an abundant number, since it is smaller than the sum of its proper divisors (30007328).

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

27799456 is a wasteful number, since it uses less digits than its factorization.

27799456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 485 counting only the distinct ones).

The product of its digits is 952560, while the sum is 49.

The square root of 27799456 is about 5272.5189425928. The cubic root of 27799456 is about 302.9321955409.

The spelling of 27799456 in words is "twenty-seven million, seven hundred ninety-nine thousand, four hundred fifty-six".