464343391 has 2 divisors, whose sum is σ = 464343392. Its totient is φ = 464343390.

The previous prime is 464343367. The next prime is 464343421. The reversal of 464343391 is 193343464.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 464343391 - 2⁷ = 464343263 is a prime.

It is a super-2 number, since 2×464343391² = 431229569530757762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 464343391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464343791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232171695 + 232171696.

It is an arithmetic number, because the mean of its divisors is an integer number (232171696).

Almost surely, 2^464343391 is an apocalyptic number.

464343391 is a deficient number, since it is larger than the sum of its proper divisors (1).

464343391 is an equidigital number, since it uses as much as digits as its factorization.

464343391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 37.

The square root of 464343391 is about 21548.6285178431. The cubic root of 464343391 is about 774.3662615207.

The spelling of 464343391 in words is "four hundred sixty-four million, three hundred forty-three thousand, three hundred ninety-one".