98641520 has 20 divisors (see below), whose sum is σ = 229341720. Its totient is φ = 39456576.

The previous prime is 98641513. The next prime is 98641537. The reversal of 98641520 is 2514689.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616430 + ... + 616589.

It is an arithmetic number, because the mean of its divisors is an integer number (11467086).

Almost surely, 2^98641520 is an apocalyptic number.

It is an amenable number.

98641520 is an abundant number, since it is smaller than the sum of its proper divisors (130700200).

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

98641520 is a wasteful number, since it uses less digits than its factorization.

98641520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233032 (or 1233026 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 98641520 is about 9931.8437361851. The cubic root of 98641520 is about 462.0474580034.

The spelling of 98641520 in words is "ninety-eight million, six hundred forty-one thousand, five hundred twenty".