26996988 has 48 divisors (see below), whose sum is σ = 64963584. Its totient is φ = 8721600.

The previous prime is 26996987. The next prime is 26997017. The reversal of 26996988 is 88969962.

It is a super-2 number, since 2×26996988² = 1457674722144288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26996987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85006 + ... + 85322.

It is an arithmetic number, because the mean of its divisors is an integer number (1353408).

Almost surely, 2^26996988 is an apocalyptic number.

It is an amenable number.

26996988 is an abundant number, since it is smaller than the sum of its proper divisors (37966596).

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

26996988 is a wasteful number, since it uses less digits than its factorization.

26996988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 520 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 57.

The square root of 26996988 is about 5195.8625847880. The cubic root of 26996988 is about 299.9888440296.

The spelling of 26996988 in words is "twenty-six million, nine hundred ninety-six thousand, nine hundred eighty-eight".