98720000 has 90 divisors (see below), whose sum is σ = 246638238. Its totient is φ = 39424000.

The previous prime is 98719997. The next prime is 98720009. The reversal of 98720000 is 2789.

It can be written as a sum of positive squares in 5 ways, for example, as 68425984 + 30294016 = 8272^2 + 5504^2 .

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (98720009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 159692 + ... + 160308.

Almost surely, 2^98720000 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 98720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123319119).

98720000 is an abundant number, since it is smaller than the sum of its proper divisors (147918238).

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

98720000 is an frugal number, since it uses more digits than its factorization.

98720000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 98720000 is about 9935.7938786994. The cubic root of 98720000 is about 462.1699617662.

Adding to 98720000 its reverse (2789), we get a palindrome (98722789).

It can be divided in two parts, 98 and 720000, that multiplied together give a square (70560000 = 8400²).

The spelling of 98720000 in words is "ninety-eight million, seven hundred twenty thousand".