98290397 has 2 divisors, whose sum is σ = 98290398. Its totient is φ = 98290396.

The previous prime is 98290373. The next prime is 98290399. The reversal of 98290397 is 79309289.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88717561 + 9572836 = 9419^2 + 3094^2 .

It is a cyclic number.

It is not a de Polignac number, because 98290397 - 2¹² = 98286301 is a prime.

It is a super-2 number, since 2×98290397² = 19322004284835218, which contains 22 as substring.

Together with 98290399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98290399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49145198 + 49145199.

It is an arithmetic number, because the mean of its divisors is an integer number (49145199).

Almost surely, 2^98290397 is an apocalyptic number.

It is an amenable number.

98290397 is a deficient number, since it is larger than the sum of its proper divisors (1).

98290397 is an equidigital number, since it uses as much as digits as its factorization.

98290397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 98290397 is about 9914.1513504687. The cubic root of 98290397 is about 461.4985736248.

The spelling of 98290397 in words is "ninety-eight million, two hundred ninety thousand, three hundred ninety-seven".