464971816 has 16 divisors (see below), whose sum is σ = 893086740. Its totient is φ = 226815360.

The previous prime is 464971813. The next prime is 464971823. The reversal of 464971816 is 618179464.

It can be written as a sum of positive squares in 2 ways, for example, as 464574916 + 396900 = 21554^2 + 630^2 .

It is not an unprimeable number, because it can be changed into a prime (464971813) 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, 708471 + ... + 709126.

Almost surely, 2^464971816 is an apocalyptic number.

It is an amenable number.

464971816 is a deficient number, since it is larger than the sum of its proper divisors (428114924).

464971816 is a wasteful number, since it uses less digits than its factorization.

464971816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417644 (or 1417640 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 464971816 is about 21563.2051420933. The cubic root of 464971816 is about 774.7154368385.

The spelling of 464971816 in words is "four hundred sixty-four million, nine hundred seventy-one thousand, eight hundred sixteen".