98100981 has 24 divisors (see below), whose sum is σ = 156018720. Its totient is φ = 58903200.

The previous prime is 98100973. The next prime is 98100983. The reversal of 98100981 is 18900189.

It is not a de Polignac number, because 98100981 - 2³ = 98100973 is a prime.

It is a super-2 number, since 2×98100981² = 19247604946324722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98100983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6246 + ... + 15336.

It is an arithmetic number, because the mean of its divisors is an integer number (6500780).

Almost surely, 2^98100981 is an apocalyptic number.

It is an amenable number.

98100981 is a deficient number, since it is larger than the sum of its proper divisors (57917739).

98100981 is a wasteful number, since it uses less digits than its factorization.

98100981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9217 (or 9214 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The square root of 98100981 is about 9904.5939341298. The cubic root of 98100981 is about 461.2019307872.

It can be divided in two parts, 98100 and 981, that multiplied together give a square (96236100 = 9810²).

The spelling of 98100981 in words is "ninety-eight million, one hundred thousand, nine hundred eighty-one".