97931417 has 4 divisors (see below), whose sum is σ = 99031860. Its totient is φ = 96830976.

The previous prime is 97931359. The next prime is 97931443. The reversal of 97931417 is 71413979.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49336576 + 48594841 = 7024^2 + 6971^2 .

It is a cyclic number.

It is not a de Polignac number, because 97931417 - 2²² = 93737113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97931497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550088 + ... + 550265.

It is an arithmetic number, because the mean of its divisors is an integer number (24757965).

Almost surely, 2^97931417 is an apocalyptic number.

It is an amenable number.

97931417 is a deficient number, since it is larger than the sum of its proper divisors (1100443).

97931417 is a wasteful number, since it uses less digits than its factorization.

97931417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100442.

The product of its digits is 47628, while the sum is 41.

The square root of 97931417 is about 9896.0303657578. The cubic root of 97931417 is about 460.9360539194.

The spelling of 97931417 in words is "ninety-seven million, nine hundred thirty-one thousand, four hundred seventeen".