98001980 has 12 divisors (see below), whose sum is σ = 205804200. Its totient is φ = 39200784.

The previous prime is 98001979. The next prime is 98001983. The reversal of 98001980 is 8910089.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 98001980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98001983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2450030 + ... + 2450069.

It is an arithmetic number, because the mean of its divisors is an integer number (17150350).

Almost surely, 2^98001980 is an apocalyptic number.

It is an amenable number.

98001980 is an abundant number, since it is smaller than the sum of its proper divisors (107802220).

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

98001980 is a wasteful number, since it uses less digits than its factorization.

98001980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4900108 (or 4900106 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 98001980 is about 9899.5949412085. The cubic root of 98001980 is about 461.0467341726.

The spelling of 98001980 in words is "ninety-eight million, one thousand, nine hundred eighty".