27906256 has 40 divisors (see below), whose sum is σ = 62160704. Its totient is φ = 11888640.

The previous prime is 27906247. The next prime is 27906283. The reversal of 27906256 is 65260972.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 20971 + ... + 22261.

Almost surely, 2^27906256 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 27906256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31080352).

27906256 is an abundant number, since it is smaller than the sum of its proper divisors (34254448).

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

27906256 is a wasteful number, since it uses less digits than its factorization.

27906256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499 (or 1493 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 27906256 is about 5282.6372201771. The cubic root of 27906256 is about 303.3196349595.

The spelling of 27906256 in words is "twenty-seven million, nine hundred six thousand, two hundred fifty-six".