27948860 has 12 divisors (see below), whose sum is σ = 58692648. Its totient is φ = 11179536.

The previous prime is 27948803. The next prime is 27948863. The reversal of 27948860 is 6884972.

It is a super-2 number, since 2×27948860² = 1562277550599200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27948863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698702 + ... + 698741.

It is an arithmetic number, because the mean of its divisors is an integer number (4891054).

Almost surely, 2^27948860 is an apocalyptic number.

27948860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27948860 is an abundant number, since it is smaller than the sum of its proper divisors (30743788).

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

27948860 is a wasteful number, since it uses less digits than its factorization.

27948860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397452 (or 1397450 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 27948860 is about 5286.6681378729. The cubic root of 27948860 is about 303.4739140937.

The spelling of 27948860 in words is "twenty-seven million, nine hundred forty-eight thousand, eight hundred sixty".