98066921 has 2 divisors, whose sum is σ = 98066922. Its totient is φ = 98066920.

The previous prime is 98066879. The next prime is 98066933. The reversal of 98066921 is 12966089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66650896 + 31416025 = 8164^2 + 5605^2 .

It is a cyclic number.

It is not a de Polignac number, because 98066921 - 2²² = 93872617 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98066821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49033460 + 49033461.

It is an arithmetic number, because the mean of its divisors is an integer number (49033461).

Almost surely, 2^98066921 is an apocalyptic number.

It is an amenable number.

98066921 is a deficient number, since it is larger than the sum of its proper divisors (1).

98066921 is an equidigital number, since it uses as much as digits as its factorization.

98066921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 98066921 is about 9902.8743807038. The cubic root of 98066921 is about 461.1485492073.

The spelling of 98066921 in words is "ninety-eight million, sixty-six thousand, nine hundred twenty-one".