98672621 has 2 divisors, whose sum is σ = 98672622. Its totient is φ = 98672620.

The previous prime is 98672593. The next prime is 98672627. The reversal of 98672621 is 12627689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61936900 + 36735721 = 7870^2 + 6061^2 .

It is a cyclic number.

It is not a de Polignac number, because 98672621 - 2¹⁰ = 98671597 is a prime.

It is a super-2 number, since 2×98672621² = 19472572270019282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98672627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49336310 + 49336311.

It is an arithmetic number, because the mean of its divisors is an integer number (49336311).

Almost surely, 2^98672621 is an apocalyptic number.

It is an amenable number.

98672621 is a deficient number, since it is larger than the sum of its proper divisors (1).

98672621 is an equidigital number, since it uses as much as digits as its factorization.

98672621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The square root of 98672621 is about 9933.4093341612. The cubic root of 98672621 is about 462.0960130405.

The spelling of 98672621 in words is "ninety-eight million, six hundred seventy-two thousand, six hundred twenty-one".