464040839 has 2 divisors, whose sum is σ = 464040840. Its totient is φ = 464040838.

The previous prime is 464040833. The next prime is 464040859. The reversal of 464040839 is 938040464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 464040839 - 2²⁴ = 447263623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464040833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232020419 + 232020420.

It is an arithmetic number, because the mean of its divisors is an integer number (232020420).

Almost surely, 2^464040839 is an apocalyptic number.

464040839 is a deficient number, since it is larger than the sum of its proper divisors (1).

464040839 is an equidigital number, since it uses as much as digits as its factorization.

464040839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 464040839 is about 21541.6071591699. The cubic root of 464040839 is about 774.1980404953.

The spelling of 464040839 in words is "four hundred sixty-four million, forty thousand, eight hundred thirty-nine".