509462946 has 40 divisors (see below), whose sum is σ = 1143881244. Its totient is φ = 169477920.

The previous prime is 509462929. The next prime is 509463001. The reversal of 509462946 is 649264905.

It can be written as a sum of positive squares in 2 ways, for example, as 508277025 + 1185921 = 22545^2 + 1089^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 84736 + ... + 90548.

Almost surely, 2^509462946 is an apocalyptic number.

509462946 is an abundant number, since it is smaller than the sum of its proper divisors (634418298).

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

509462946 is a wasteful number, since it uses less digits than its factorization.

509462946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6368 (or 6359 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 509462946 is about 22571.2858738708. The cubic root of 509462946 is about 798.6764291161.

The spelling of 509462946 in words is "five hundred nine million, four hundred sixty-two thousand, nine hundred forty-six".