27967996 has 12 divisors (see below), whose sum is σ = 55936048. Its totient is φ = 11986272.

The previous prime is 27967987. The next prime is 27968033. The reversal of 27967996 is 69976972.

27967996 is an admirable number.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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, 499401 + ... + 499456.

Almost surely, 2^27967996 is an apocalyptic number.

It is an amenable number.

27967996 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27967996 is a wasteful number, since it uses less digits than its factorization.

27967996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998868 (or 998866 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 55.

The square root of 27967996 is about 5288.4776637516. The cubic root of 27967996 is about 303.5431590403.

The spelling of 27967996 in words is "twenty-seven million, nine hundred sixty-seven thousand, nine hundred ninety-six".