98972261 has 4 divisors (see below), whose sum is σ = 98997024. Its totient is φ = 98947500.

The previous prime is 98972221. The next prime is 98972267. The reversal of 98972261 is 16227989.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 98972261 - 2¹⁴ = 98955877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98972267) 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, 4865 + ... + 14886.

It is an arithmetic number, because the mean of its divisors is an integer number (24749256).

Almost surely, 2^98972261 is an apocalyptic number.

It is an amenable number.

98972261 is a deficient number, since it is larger than the sum of its proper divisors (24763).

98972261 is a wasteful number, since it uses less digits than its factorization.

98972261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24762.

The product of its digits is 108864, while the sum is 44.

The square root of 98972261 is about 9948.4803362122. The cubic root of 98972261 is about 462.5632906812.

The spelling of 98972261 in words is "ninety-eight million, nine hundred seventy-two thousand, two hundred sixty-one".