98323921 has 2 divisors, whose sum is σ = 98323922. Its totient is φ = 98323920.

The previous prime is 98323871. The next prime is 98323933. The reversal of 98323921 is 12932389.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94478400 + 3845521 = 9720^2 + 1961^2 .

It is a cyclic number.

It is not a de Polignac number, because 98323921 - 2⁷ = 98323793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98323961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49161960 + 49161961.

It is an arithmetic number, because the mean of its divisors is an integer number (49161961).

Almost surely, 2^98323921 is an apocalyptic number.

It is an amenable number.

98323921 is a deficient number, since it is larger than the sum of its proper divisors (1).

98323921 is an equidigital number, since it uses as much as digits as its factorization.

98323921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 98323921 is about 9915.8419208860. The cubic root of 98323921 is about 461.5510355812.

The spelling of 98323921 in words is "ninety-eight million, three hundred twenty-three thousand, nine hundred twenty-one".