464562891 has 16 divisors (see below), whose sum is σ = 741183520. Its totient is φ = 285884640.

The previous prime is 464562883. The next prime is 464562907. The reversal of 464562891 is 198265464.

464562891 is a `hidden beast` number, since 4 + 6 + 4 + 562 + 89 + 1 = 666.

It is not a de Polignac number, because 464562891 - 2³ = 464562883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464562871) 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, 661420 + ... + 662121.

It is an arithmetic number, because the mean of its divisors is an integer number (46323970).

Almost surely, 2^464562891 is an apocalyptic number.

464562891 is a deficient number, since it is larger than the sum of its proper divisors (276620629).

464562891 is a wasteful number, since it uses less digits than its factorization.

464562891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323563 (or 1323557 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 464562891 is about 21553.7210476521. The cubic root of 464562891 is about 774.4882593223.

The spelling of 464562891 in words is "four hundred sixty-four million, five hundred sixty-two thousand, eight hundred ninety-one".