97849417 has 2 divisors, whose sum is σ = 97849418. Its totient is φ = 97849416.

The previous prime is 97849403. The next prime is 97849457. The reversal of 97849417 is 71494879.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79905721 + 17943696 = 8939^2 + 4236^2 .

It is a cyclic number.

It is not a de Polignac number, because 97849417 - 2²³ = 89460809 is a prime.

It is not a weakly prime, because it can be changed into another prime (97849457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48924708 + 48924709.

It is an arithmetic number, because the mean of its divisors is an integer number (48924709).

Almost surely, 2^97849417 is an apocalyptic number.

It is an amenable number.

97849417 is a deficient number, since it is larger than the sum of its proper divisors (1).

97849417 is an equidigital number, since it uses as much as digits as its factorization.

97849417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 49.

The square root of 97849417 is about 9891.8864227204. The cubic root of 97849417 is about 460.8073675665.

The spelling of 97849417 in words is "ninety-seven million, eight hundred forty-nine thousand, four hundred seventeen".