508990634 has 8 divisors (see below), whose sum is σ = 765250500. Its totient is φ = 253907136.

The previous prime is 508990633. The next prime is 508990637. The reversal of 508990634 is 436099805.

It can be written as a sum of positive squares in 2 ways, for example, as 501984025 + 7006609 = 22405^2 + 2647^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (508990631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293009 + ... + 294740.

Almost surely, 2^508990634 is an apocalyptic number.

508990634 is a deficient number, since it is larger than the sum of its proper divisors (256259866).

508990634 is a wasteful number, since it uses less digits than its factorization.

508990634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588184.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 508990634 is about 22560.8207740765. The cubic root of 508990634 is about 798.4295409654.

The spelling of 508990634 in words is "five hundred eight million, nine hundred ninety thousand, six hundred thirty-four".