998470584 has 64 divisors (see below), whose sum is σ = 2776500000. Its totient is φ = 332467200.

The previous prime is 998470579. The next prime is 998470633. The reversal of 998470584 is 485074899.

998470584 is a `hidden beast` number, since 9 + 98 + 470 + 5 + 84 = 666.

It is a super-2 number, since 2×998470584² = 1993887014226602112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 998470584.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 267934 + ... + 271634.

Almost surely, 2^998470584 is an apocalyptic number.

It is an amenable number.

998470584 is an abundant number, since it is smaller than the sum of its proper divisors (1778029416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

998470584 is a wasteful number, since it uses less digits than its factorization.

998470584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4965 (or 4955 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 998470584 is about 31598.5851581997. The cubic root of 998470584 is about 999.4899345441.

The spelling of 998470584 in words is "nine hundred ninety-eight million, four hundred seventy thousand, five hundred eighty-four".