456026691 has 4 divisors (see below), whose sum is σ = 608035592. Its totient is φ = 304017792.

The previous prime is 456026671. The next prime is 456026699. The reversal of 456026691 is 196620654.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 456026691 - 2¹⁷ = 455895619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (456026699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76004446 + ... + 76004451.

It is an arithmetic number, because the mean of its divisors is an integer number (152008898).

Almost surely, 2^456026691 is an apocalyptic number.

456026691 is a deficient number, since it is larger than the sum of its proper divisors (152008901).

456026691 is a wasteful number, since it uses less digits than its factorization.

456026691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152008900.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 456026691 is about 21354.7814552151. The cubic root of 456026691 is about 769.7152435565.

The spelling of 456026691 in words is "four hundred fifty-six million, twenty-six thousand, six hundred ninety-one".