508990647 has 8 divisors (see below), whose sum is σ = 740350080. Its totient is φ = 308479160.

The previous prime is 508990637. The next prime is 508990663. The reversal of 508990647 is 746099805.

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

It is not a de Polignac number, because 508990647 - 2⁴ = 508990631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 508990596 and 508990605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508990627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7711947 + ... + 7712012.

It is an arithmetic number, because the mean of its divisors is an integer number (92543760).

Almost surely, 2^508990647 is an apocalyptic number.

508990647 is a deficient number, since it is larger than the sum of its proper divisors (231359433).

508990647 is a wasteful number, since it uses less digits than its factorization.

508990647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15423973.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 508990647 is about 22560.8210621865. The cubic root of 508990647 is about 798.4295477629.

The spelling of 508990647 in words is "five hundred eight million, nine hundred ninety thousand, six hundred forty-seven".