507697646 has 16 divisors (see below), whose sum is σ = 800322864. Its totient is φ = 241242624.

The previous prime is 507697643. The next prime is 507697657. The reversal of 507697646 is 646796705.

It is a junction number, because it is equal to n+sod(n) for n = 507697594 and 507697603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507697643) 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 7 ways as a sum of consecutive naturals, for example, 76595 + ... + 82958.

It is an arithmetic number, because the mean of its divisors is an integer number (50020179).

Almost surely, 2^507697646 is an apocalyptic number.

507697646 is a deficient number, since it is larger than the sum of its proper divisors (292625218).

507697646 is a wasteful number, since it uses less digits than its factorization.

507697646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159635.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The square root of 507697646 is about 22532.1469460857. The cubic root of 507697646 is about 797.7528846254.

The spelling of 507697646 in words is "five hundred seven million, six hundred ninety-seven thousand, six hundred forty-six".