26896457 has 16 divisors (see below), whose sum is σ = 33116160. Its totient is φ = 21328272.

The previous prime is 26896439. The next prime is 26896459. The reversal of 26896457 is 75469862.

It is not a de Polignac number, because 26896457 - 2⁶ = 26896393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26896459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3368 + ... + 8070.

It is an arithmetic number, because the mean of its divisors is an integer number (2069760).

Almost surely, 2^26896457 is an apocalyptic number.

It is an amenable number.

26896457 is a deficient number, since it is larger than the sum of its proper divisors (6219703).

26896457 is a wasteful number, since it uses less digits than its factorization.

26896457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4772.

The product of its digits is 725760, while the sum is 47.

The square root of 26896457 is about 5186.1794222722. The cubic root of 26896457 is about 299.6160161384.

The spelling of 26896457 in words is "twenty-six million, eight hundred ninety-six thousand, four hundred fifty-seven".