98637660 has 144 divisors (see below), whose sum is σ = 337139712. Its totient is φ = 23126400.

The previous prime is 98637659. The next prime is 98637713. The reversal of 98637660 is 6673689.

98637660 is a `hidden beast` number, since 9 + 8 + 637 + 6 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60577 + ... + 62183.

It is an arithmetic number, because the mean of its divisors is an integer number (2341248).

Almost surely, 2^98637660 is an apocalyptic number.

98637660 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98637660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168569856).

98637660 is an abundant number, since it is smaller than the sum of its proper divisors (238502052).

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

98637660 is a wasteful number, since it uses less digits than its factorization.

98637660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664 (or 1659 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 98637660 is about 9931.6494098412. The cubic root of 98637660 is about 462.0414310402.

The spelling of 98637660 in words is "ninety-eight million, six hundred thirty-seven thousand, six hundred sixty".