98314921 has 2 divisors, whose sum is σ = 98314922. Its totient is φ = 98314920.

The previous prime is 98314889. The next prime is 98314963. The reversal of 98314921 is 12941389.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80371225 + 17943696 = 8965^2 + 4236^2 .

It is a cyclic number.

It is not a de Polignac number, because 98314921 - 2⁵ = 98314889 is a prime.

It is not a weakly prime, because it can be changed into another prime (98314991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49157460 + 49157461.

It is an arithmetic number, because the mean of its divisors is an integer number (49157461).

Almost surely, 2^98314921 is an apocalyptic number.

It is an amenable number.

98314921 is a deficient number, since it is larger than the sum of its proper divisors (1).

98314921 is an equidigital number, since it uses as much as digits as its factorization.

98314921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 37.

The square root of 98314921 is about 9915.3880912448. The cubic root of 98314921 is about 461.5369525855.

It can be divided in two parts, 98314 and 921, that added together give a triangular number (99235 = T₄₄₅).

The spelling of 98314921 in words is "ninety-eight million, three hundred fourteen thousand, nine hundred twenty-one".