26086491 has 6 divisors (see below), whose sum is σ = 37680500. Its totient is φ = 17390988.

The previous prime is 26086481. The next prime is 26086499. The reversal of 26086491 is 19468062.

26086491 is a `hidden beast` number, since 2 + 6 + 0 + 8 + 649 + 1 = 666.

It is not a de Polignac number, because 26086491 - 2⁶ = 26086427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26086499) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1449241 + ... + 1449258.

Almost surely, 2^26086491 is an apocalyptic number.

26086491 is a deficient number, since it is larger than the sum of its proper divisors (11594009).

26086491 is a wasteful number, since it uses less digits than its factorization.

26086491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898505 (or 2898502 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 26086491 is about 5107.4936123308. The cubic root of 26086491 is about 296.5777422885.

The spelling of 26086491 in words is "twenty-six million, eighty-six thousand, four hundred ninety-one".