98390520 has 96 divisors (see below), whose sum is σ = 321113520. Its totient is φ = 26127360.

The previous prime is 98390519. The next prime is 98390521. The reversal of 98390520 is 2509389.

It is an interprime number because it is at equal distance from previous prime (98390519) and next prime (98390521).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98390521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120915 + ... + 121725.

Almost surely, 2^98390520 is an apocalyptic number.

98390520 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 98390520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160556760).

98390520 is an abundant number, since it is smaller than the sum of its proper divisors (222723000).

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

98390520 is a wasteful number, since it uses less digits than its factorization.

98390520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165 (or 1158 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 98390520 is about 9919.1995644810. The cubic root of 98390520 is about 461.6552214852.

The spelling of 98390520 in words is "ninety-eight million, three hundred ninety thousand, five hundred twenty".