509638332 has 24 divisors (see below), whose sum is σ = 1359035776. Its totient is φ = 145610928.

The previous prime is 509638321. The next prime is 509638351. The reversal of 509638332 is 233836905.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3033478 + ... + 3033645.

Almost surely, 2^509638332 is an apocalyptic number.

It is an amenable number.

509638332 is an abundant number, since it is smaller than the sum of its proper divisors (849397444).

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

509638332 is a wasteful number, since it uses less digits than its factorization.

509638332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6067137 (or 6067135 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 509638332 is about 22575.1706970291. The cubic root of 509638332 is about 798.7680684880.

It can be divided in two parts, 50963 and 8332, that added together give a palindrome (59295).

The spelling of 509638332 in words is "five hundred nine million, six hundred thirty-eight thousand, three hundred thirty-two".