98986440 has 64 divisors (see below), whose sum is σ = 339384960. Its totient is φ = 22625280.

The previous prime is 98986421. The next prime is 98986451. The reversal of 98986440 is 4468989.

It is a self number, because there is not a number n which added to its sum of digits gives 98986440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58081 + ... + 59760.

It is an arithmetic number, because the mean of its divisors is an integer number (5302890).

Almost surely, 2^98986440 is an apocalyptic number.

It is an amenable number.

98986440 is an abundant number, since it is smaller than the sum of its proper divisors (240398520).

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

98986440 is a wasteful number, since it uses less digits than its factorization.

98986440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117862 (or 117858 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 98986440 is about 9949.1929320925. The cubic root of 98986440 is about 462.5853789298.

The spelling of 98986440 in words is "ninety-eight million, nine hundred eighty-six thousand, four hundred forty".