99970260 has 72 divisors (see below), whose sum is σ = 303135840. Its totient is φ = 24605568.

The previous prime is 99970253. The next prime is 99970261. The reversal of 99970260 is 6207999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99970261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5211 + ... + 15069.

It is an arithmetic number, because the mean of its divisors is an integer number (4210220).

Almost surely, 2^99970260 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 99970260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151567920).

99970260 is an abundant number, since it is smaller than the sum of its proper divisors (203165580).

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

99970260 is a wasteful number, since it uses less digits than its factorization.

99970260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9897 (or 9882 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 99970260 is about 9998.5128894251. The cubic root of 99970260 is about 464.1128651817.

The spelling of 99970260 in words is "ninety-nine million, nine hundred seventy thousand, two hundred sixty".