98621173 has 6 divisors (see below), whose sum is σ = 114722646. Its totient is φ = 84532392.

The previous prime is 98621143. The next prime is 98621177. The reversal of 98621173 is 37112689.

It can be written as a sum of positive squares in only one way, i.e., 52896529 + 45724644 = 7273^2 + 6762^2 .

It is not a de Polignac number, because 98621173 - 2¹⁷ = 98490101 is a prime.

It is a super-2 number, since 2×98621173² = 19452271527791858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98621177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1006290 + ... + 1006387.

It is an arithmetic number, because the mean of its divisors is an integer number (19120441).

Almost surely, 2^98621173 is an apocalyptic number.

It is an amenable number.

98621173 is a deficient number, since it is larger than the sum of its proper divisors (16101473).

98621173 is a wasteful number, since it uses less digits than its factorization.

98621173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012691 (or 2012684 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 98621173 is about 9930.8193518964. The cubic root of 98621173 is about 462.0156866422.

The spelling of 98621173 in words is "ninety-eight million, six hundred twenty-one thousand, one hundred seventy-three".