465839389 has 6 divisors (see below), whose sum is σ = 494853914. Its totient is φ = 438436800.

The previous prime is 465839377. The next prime is 465839393. The reversal of 465839389 is 983938564.

It can be written as a sum of positive squares in 3 ways, for example, as 124144164 + 341695225 = 11142^2 + 18485^2 .

It is not a de Polignac number, because 465839389 - 2¹⁷ = 465708317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465839329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 805662 + ... + 806239.

Almost surely, 2^465839389 is an apocalyptic number.

It is an amenable number.

465839389 is a deficient number, since it is larger than the sum of its proper divisors (29014525).

465839389 is a wasteful number, since it uses less digits than its factorization.

465839389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611935 (or 1611918 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 55.

The square root of 465839389 is about 21583.3127438769. The cubic root of 465839389 is about 775.1969746984.

The spelling of 465839389 in words is "four hundred sixty-five million, eight hundred thirty-nine thousand, three hundred eighty-nine".