98972280 has 160 divisors (see below), whose sum is σ = 363029040. Its totient is φ = 23984640.

The previous prime is 98972267. The next prime is 98972297. The reversal of 98972280 is 8227989.

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 39 ways as a sum of consecutive naturals, for example, 34252 + ... + 37028.

Almost surely, 2^98972280 is an apocalyptic number.

98972280 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 98972280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181514520).

98972280 is an abundant number, since it is smaller than the sum of its proper divisors (264056760).

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

98972280 is a wasteful number, since it uses less digits than its factorization.

98972280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811 (or 2798 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 98972280 is about 9948.4812911318. The cubic root of 98972280 is about 462.5633202811.

The spelling of 98972280 in words is "ninety-eight million, nine hundred seventy-two thousand, two hundred eighty".