509293964 has 12 divisors (see below), whose sum is σ = 913002888. Its totient is φ = 248436000.

The previous prime is 509293933. The next prime is 509293979. The reversal of 509293964 is 469392905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1552562 + ... + 1552889.

It is an arithmetic number, because the mean of its divisors is an integer number (76083574).

Almost surely, 2^509293964 is an apocalyptic number.

It is an amenable number.

509293964 is a deficient number, since it is larger than the sum of its proper divisors (403708924).

509293964 is a wasteful number, since it uses less digits than its factorization.

509293964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105496 (or 3105494 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 47.

The square root of 509293964 is about 22567.5422676019. The cubic root of 509293964 is about 798.5881159451.

The spelling of 509293964 in words is "five hundred nine million, two hundred ninety-three thousand, nine hundred sixty-four".