986998456 has 16 divisors (see below), whose sum is σ = 1851683400. Its totient is φ = 493216224.

The previous prime is 986998451. The next prime is 986998457. The reversal of 986998456 is 654899689.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (986998451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20170 + ... + 48793.

Almost surely, 2^986998456 is an apocalyptic number.

It is an amenable number.

986998456 is a deficient number, since it is larger than the sum of its proper divisors (864684944).

986998456 is a wasteful number, since it uses less digits than its factorization.

986998456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70758 (or 70754 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 64.

The square root of 986998456 is about 31416.5315717697. The cubic root of 986998456 is about 995.6472329087.

The spelling of 986998456 in words is "nine hundred eighty-six million, nine hundred ninety-eight thousand, four hundred fifty-six".