908998479 has 24 divisors (see below), whose sum is σ = 1372786272. Its totient is φ = 578508480.

The previous prime is 908998477. The next prime is 908998507. The reversal of 908998479 is 974899809.

It is not a de Polignac number, because 908998479 - 2¹ = 908998477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (908998477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107929 + ... + 116045.

It is an arithmetic number, because the mean of its divisors is an integer number (57199428).

Almost surely, 2^908998479 is an apocalyptic number.

908998479 is a deficient number, since it is larger than the sum of its proper divisors (463787793).

908998479 is a wasteful number, since it uses less digits than its factorization.

908998479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8687 (or 8684 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The square root of 908998479 is about 30149.6016391593. The cubic root of 908998479 is about 968.6964738015.

The spelling of 908998479 in words is "nine hundred eight million, nine hundred ninety-eight thousand, four hundred seventy-nine".