26993964 has 24 divisors (see below), whose sum is σ = 64020208. Its totient is φ = 8850240.

The previous prime is 26993957. The next prime is 26993969. The reversal of 26993964 is 46939962.

It is not an unprimeable number, because it can be changed into a prime (26993969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17707 + ... + 19170.

Almost surely, 2^26993964 is an apocalyptic number.

It is an amenable number.

26993964 is an abundant number, since it is smaller than the sum of its proper divisors (37026244).

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

26993964 is a wasteful number, since it uses less digits than its factorization.

26993964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36945 (or 36943 counting only the distinct ones).

The product of its digits is 629856, while the sum is 48.

The square root of 26993964 is about 5195.5715758711. The cubic root of 26993964 is about 299.9776427783.

The spelling of 26993964 in words is "twenty-six million, nine hundred ninety-three thousand, nine hundred sixty-four".