27976928 has 24 divisors (see below), whose sum is σ = 62948592. Its totient is φ = 11990016.

The previous prime is 27976919. The next prime is 27976931. The reversal of 27976928 is 82967972.

It is a happy number.

It is a super-3 number, since 3×27976928³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62225 + ... + 62672.

It is an arithmetic number, because the mean of its divisors is an integer number (2622858).

Almost surely, 2^27976928 is an apocalyptic number.

27976928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27976928 is an abundant number, since it is smaller than the sum of its proper divisors (34971664).

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

27976928 is a wasteful number, since it uses less digits than its factorization.

27976928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124914 (or 124906 counting only the distinct ones).

The product of its digits is 762048, while the sum is 50.

The square root of 27976928 is about 5289.3220737633. The cubic root of 27976928 is about 303.5754692914.

The spelling of 27976928 in words is "twenty-seven million, nine hundred seventy-six thousand, nine hundred twenty-eight".