98187972 has 24 divisors (see below), whose sum is σ = 241164000. Its totient is φ = 31006656.

The previous prime is 98187961. The next prime is 98188003. The reversal of 98187972 is 27978189.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215097 + ... + 215552.

It is an arithmetic number, because the mean of its divisors is an integer number (10048500).

Almost surely, 2^98187972 is an apocalyptic number.

It is an amenable number.

98187972 is an abundant number, since it is smaller than the sum of its proper divisors (142976028).

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

98187972 is a wasteful number, since it uses less digits than its factorization.

98187972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430675 (or 430673 counting only the distinct ones).

The product of its digits is 508032, while the sum is 51.

The square root of 98187972 is about 9908.9844081016. The cubic root of 98187972 is about 461.3382140458.

The spelling of 98187972 in words is "ninety-eight million, one hundred eighty-seven thousand, nine hundred seventy-two".