98538864 has 80 divisors (see below), whose sum is σ = 270816000. Its totient is φ = 30786048.

The previous prime is 98538857. The next prime is 98538871. The reversal of 98538864 is 46883589.

It is an interprime number because it is at equal distance from previous prime (98538857) and next prime (98538871).

It is a congruent number.

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, 93412 + ... + 94460.

It is an arithmetic number, because the mean of its divisors is an integer number (3385200).

Almost surely, 2^98538864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98538864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135408000).

98538864 is an abundant number, since it is smaller than the sum of its proper divisors (172277136).

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

98538864 is a wasteful number, since it uses less digits than its factorization.

98538864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182 (or 1176 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The square root of 98538864 is about 9926.6743675815. The cubic root of 98538864 is about 461.8871184646.

The spelling of 98538864 in words is "ninety-eight million, five hundred thirty-eight thousand, eight hundred sixty-four".