98531020 has 96 divisors (see below), whose sum is σ = 248242176. Its totient is φ = 32140800.

The previous prime is 98530987. The next prime is 98531021. The reversal of 98531020 is 2013589.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 98531020.

It is not an unprimeable number, because it can be changed into a prime (98531021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 316665 + ... + 316975.

It is an arithmetic number, because the mean of its divisors is an integer number (2585856).

Almost surely, 2^98531020 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 98531020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124121088).

98531020 is an abundant number, since it is smaller than the sum of its proper divisors (149711156).

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

98531020 is a wasteful number, since it uses less digits than its factorization.

98531020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 98531020 is about 9926.2792626442. The cubic root of 98531020 is about 461.8748622558.

The spelling of 98531020 in words is "ninety-eight million, five hundred thirty-one thousand, twenty".