26989356 has 12 divisors (see below), whose sum is σ = 62975192. Its totient is φ = 8996448.

The previous prime is 26989309. The next prime is 26989379. The reversal of 26989356 is 65398962.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1124545 + ... + 1124568.

Almost surely, 2^26989356 is an apocalyptic number.

It is an amenable number.

26989356 is an abundant number, since it is smaller than the sum of its proper divisors (35985836).

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

26989356 is a wasteful number, since it uses less digits than its factorization.

26989356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249120 (or 2249118 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The square root of 26989356 is about 5195.1281023667. The cubic root of 26989356 is about 299.9605725963.

The spelling of 26989356 in words is "twenty-six million, nine hundred eighty-nine thousand, three hundred fifty-six".