998470585 has 32 divisors (see below), whose sum is σ = 1402232832. Its totient is φ = 668295360.

The previous prime is 998470579. The next prime is 998470633. The reversal of 998470585 is 585074899.

It is not a de Polignac number, because 998470585 - 2⁵ = 998470553 is a prime.

It is a super-2 number, since 2×998470585² = 1993887018220484450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 938764 + ... + 939826.

It is an arithmetic number, because the mean of its divisors is an integer number (43819776).

Almost surely, 2^998470585 is an apocalyptic number.

998470585 is the 19985-th heptagonal number.

It is an amenable number.

998470585 is a deficient number, since it is larger than the sum of its proper divisors (403762247).

998470585 is a wasteful number, since it uses less digits than its factorization.

998470585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693.

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

The square root of 998470585 is about 31598.5851740232. The cubic root of 998470585 is about 999.4899348778.

The spelling of 998470585 in words is "nine hundred ninety-eight million, four hundred seventy thousand, five hundred eighty-five".