98807940 has 144 divisors (see below), whose sum is σ = 373726080. Its totient is φ = 20528640.

The previous prime is 98807939. The next prime is 98807957. The reversal of 98807940 is 4970889.

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

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, 10296 + ... + 17424.

It is an arithmetic number, because the mean of its divisors is an integer number (2595320).

Almost surely, 2^98807940 is an apocalyptic number.

98807940 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 98807940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186863040).

98807940 is an abundant number, since it is smaller than the sum of its proper divisors (274918140).

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

98807940 is a wasteful number, since it uses less digits than its factorization.

98807940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7162 (or 7157 counting only the distinct ones).

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

The square root of 98807940 is about 9940.2183074619. The cubic root of 98807940 is about 462.3071550538.

The spelling of 98807940 in words is "ninety-eight million, eight hundred seven thousand, nine hundred forty".