506493308 has 18 divisors (see below), whose sum is σ = 941571456. Its totient is φ = 238349248.

The previous prime is 506493277. The next prime is 506493353. The reversal of 506493308 is 803394605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 217916 + ... + 220227.

Almost surely, 2^506493308 is an apocalyptic number.

It is an amenable number.

506493308 is a deficient number, since it is larger than the sum of its proper divisors (435078148).

506493308 is a wasteful number, since it uses less digits than its factorization.

506493308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438181 (or 438162 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 506493308 is about 22505.4061949568. The cubic root of 506493308 is about 797.1215870950.

The spelling of 506493308 in words is "five hundred six million, four hundred ninety-three thousand, three hundred eight".