98100261 has 64 divisors (see below), whose sum is σ = 172687360. Its totient is φ = 53887680.

The previous prime is 98100253. The next prime is 98100263. The reversal of 98100261 is 16200189.

It is not a de Polignac number, because 98100261 - 2³ = 98100253 is a prime.

It is a super-2 number, since 2×98100261² = 19247322416536242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98100263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 772380 + ... + 772506.

It is an arithmetic number, because the mean of its divisors is an integer number (2698240).

Almost surely, 2^98100261 is an apocalyptic number.

It is an amenable number.

98100261 is a deficient number, since it is larger than the sum of its proper divisors (74587099).

98100261 is a wasteful number, since it uses less digits than its factorization.

98100261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 98100261 is about 9904.5575872928. The cubic root of 98100261 is about 461.2008024730.

The spelling of 98100261 in words is "ninety-eight million, one hundred thousand, two hundred sixty-one".