98660520 has 384 divisors, whose sum is σ = 404352000. Its totient is φ = 20772864.

The previous prime is 98660489. The next prime is 98660557. The reversal of 98660520 is 2506689.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2099137 + ... + 2099183.

It is an arithmetic number, because the mean of its divisors is an integer number (1053000).

Almost surely, 2^98660520 is an apocalyptic number.

98660520 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 98660520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202176000).

98660520 is an abundant number, since it is smaller than the sum of its proper divisors (305691480).

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

98660520 is a wasteful number, since it uses less digits than its factorization.

98660520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 98660520 is about 9932.8002094072. The cubic root of 98660520 is about 462.0771221114.

The spelling of 98660520 in words is "ninety-eight million, six hundred sixty thousand, five hundred twenty".