459697494 has 24 divisors (see below), whose sum is σ = 942508728. Its totient is φ = 149385760.

The previous prime is 459697487. The next prime is 459697499. The reversal of 459697494 is 494796954.

It is a super-2 number, since 2×459697494² = 422643571979760072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (459697499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335599 + ... + 336965.

It is an arithmetic number, because the mean of its divisors is an integer number (39271197).

Almost surely, 2^459697494 is an apocalyptic number.

459697494 is an abundant number, since it is smaller than the sum of its proper divisors (482811234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

459697494 is an equidigital number, since it uses as much as digits as its factorization.

459697494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780 (or 1413 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 57.

The square root of 459697494 is about 21440.5572222366. The cubic root of 459697494 is about 771.7750100530.

The spelling of 459697494 in words is "four hundred fifty-nine million, six hundred ninety-seven thousand, four hundred ninety-four".