464343257 has 6 divisors (see below), whose sum is σ = 540154458. Its totient is φ = 398008464.

The previous prime is 464343247. The next prime is 464343259. The reversal of 464343257 is 752343464.

It can be written as a sum of positive squares in only one way, i.e., 463928521 + 414736 = 21539^2 + 644^2 .

It is not a de Polignac number, because 464343257 - 2⁴ = 464343241 is a prime.

It is a super-2 number, since 2×464343257² = 431229320642736098, which contains 22 as substring.

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 464343257.

It is not an unprimeable number, because it can be changed into a prime (464343259) 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, 4738148 + ... + 4738245.

It is an arithmetic number, because the mean of its divisors is an integer number (90025743).

Almost surely, 2^464343257 is an apocalyptic number.

It is an amenable number.

464343257 is a deficient number, since it is larger than the sum of its proper divisors (75811201).

464343257 is an equidigital number, since it uses as much as digits as its factorization.

464343257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9476407 (or 9476400 counting only the distinct ones).

The product of its digits is 241920, while the sum is 38.

The square root of 464343257 is about 21548.6254085963. The cubic root of 464343257 is about 774.3661870320.

The spelling of 464343257 in words is "four hundred sixty-four million, three hundred forty-three thousand, two hundred fifty-seven".