98721504 has 120 divisors (see below), whose sum is σ = 331874928. Its totient is φ = 28200960.

The previous prime is 98721463. The next prime is 98721523. The reversal of 98721504 is 40512789.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15424 + ... + 20864.

Almost surely, 2^98721504 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 98721504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165937464).

98721504 is an abundant number, since it is smaller than the sum of its proper divisors (233153424).

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

98721504 is a wasteful number, since it uses less digits than its factorization.

98721504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5470 (or 5453 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 98721504 is about 9935.8695643612. The cubic root of 98721504 is about 462.1723088087.

It can be divided in two parts, 98721 and 504, that added together give a square (99225 = 315²).

The spelling of 98721504 in words is "ninety-eight million, seven hundred twenty-one thousand, five hundred four".