508857949 has 8 divisors (see below), whose sum is σ = 517900320. Its totient is φ = 499829616.

The previous prime is 508857941. The next prime is 508857953. The reversal of 508857949 is 949758805.

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

It is a cyclic number.

It is not a de Polignac number, because 508857949 - 2³ = 508857941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 508857949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508857941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92494 + ... + 97840.

It is an arithmetic number, because the mean of its divisors is an integer number (64737540).

Almost surely, 2^508857949 is an apocalyptic number.

508857949 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

508857949 is a deficient number, since it is larger than the sum of its proper divisors (9042371).

508857949 is a wasteful number, since it uses less digits than its factorization.

508857949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7019.

The product of its (nonzero) digits is 3628800, while the sum is 55.

The square root of 508857949 is about 22557.8799757424. The cubic root of 508857949 is about 798.3601560406.

The spelling of 508857949 in words is "five hundred eight million, eight hundred fifty-seven thousand, nine hundred forty-nine".