26891456 has 28 divisors (see below), whose sum is σ = 53769768. Its totient is φ = 13343232.

The previous prime is 26891443. The next prime is 26891519. The reversal of 26891456 is 65419862.

It is a happy 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, 7235 + ... + 10301.

Almost surely, 2^26891456 is an apocalyptic number.

It is an amenable number.

26891456 is a deficient number, since it is larger than the sum of its proper divisors (26878312).

26891456 is a wasteful number, since it uses less digits than its factorization.

26891456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216 (or 3206 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 26891456 is about 5185.6972530220. The cubic root of 26891456 is about 299.5974452591.

The spelling of 26891456 in words is "twenty-six million, eight hundred ninety-one thousand, four hundred fifty-six".