98972140 has 24 divisors (see below), whose sum is σ = 218781360. Its totient is φ = 37505088.

The previous prime is 98972131. The next prime is 98972141. The reversal of 98972140 is 4127989.

It is a junction number, because it is equal to n+sod(n) for n = 98972093 and 98972102.

It is not an unprimeable number, because it can be changed into a prime (98972141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129847 + ... + 130606.

It is an arithmetic number, because the mean of its divisors is an integer number (9115890).

Almost surely, 2^98972140 is an apocalyptic number.

It is an amenable number.

98972140 is an abundant number, since it is smaller than the sum of its proper divisors (119809220).

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

98972140 is a wasteful number, since it uses less digits than its factorization.

98972140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260481 (or 260479 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 98972140 is about 9948.4742548795. The cubic root of 98972140 is about 462.5631021766.

The spelling of 98972140 in words is "ninety-eight million, nine hundred seventy-two thousand, one hundred forty".