27951896 has 16 divisors (see below), whose sum is σ = 59897040. Its totient is φ = 11979360.

The previous prime is 27951883. The next prime is 27951901. The reversal of 27951896 is 69815972.

It is a self number, because there is not a number n which added to its sum of digits gives 27951896.

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, 249515 + ... + 249626.

It is an arithmetic number, because the mean of its divisors is an integer number (3743565).

Almost surely, 2^27951896 is an apocalyptic number.

It is an amenable number.

27951896 is an abundant number, since it is smaller than the sum of its proper divisors (31945144).

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

27951896 is a wasteful number, since it uses less digits than its factorization.

27951896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499154 (or 499150 counting only the distinct ones).

The product of its digits is 272160, while the sum is 47.

The square root of 27951896 is about 5286.9552674484. The cubic root of 27951896 is about 303.4849021799.

The spelling of 27951896 in words is "twenty-seven million, nine hundred fifty-one thousand, eight hundred ninety-six".