26923457 has 16 divisors (see below), whose sum is σ = 30566592. Its totient is φ = 23497920.

The previous prime is 26923441. The next prime is 26923483. The reversal of 26923457 is 75432962.

It is a cyclic number.

It is not a de Polignac number, because 26923457 - 2⁴ = 26923441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26923457.

It is not an unprimeable number, because it can be changed into a prime (26923357) 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, 33383 + ... + 34179.

It is an arithmetic number, because the mean of its divisors is an integer number (1910412).

Almost surely, 2^26923457 is an apocalyptic number.

It is an amenable number.

26923457 is a deficient number, since it is larger than the sum of its proper divisors (3643135).

26923457 is a wasteful number, since it uses less digits than its factorization.

26923457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928.

The product of its digits is 90720, while the sum is 38.

The square root of 26923457 is about 5188.7818416272. The cubic root of 26923457 is about 299.7162390912.

The spelling of 26923457 in words is "twenty-six million, nine hundred twenty-three thousand, four hundred fifty-seven".