508968621 has 12 divisors (see below), whose sum is σ = 840202272. Its totient is φ = 290839176.

The previous prime is 508968601. The next prime is 508968631. The reversal of 508968621 is 126869805.

It is not a de Polignac number, because 508968621 - 2⁶ = 508968557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508968601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4039371 + ... + 4039496.

It is an arithmetic number, because the mean of its divisors is an integer number (70016856).

Almost surely, 2^508968621 is an apocalyptic number.

It is an amenable number.

508968621 is a deficient number, since it is larger than the sum of its proper divisors (331233651).

508968621 is a wasteful number, since it uses less digits than its factorization.

508968621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8078880 (or 8078877 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 508968621 is about 22560.3329097777. The cubic root of 508968621 is about 798.4180305487.

The spelling of 508968621 in words is "five hundred eight million, nine hundred sixty-eight thousand, six hundred twenty-one".