97949217 has 8 divisors (see below), whose sum is σ = 132066720. Its totient is φ = 64565600.

The previous prime is 97949207. The next prime is 97949219. The reversal of 97949217 is 71294979.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97949217 - 2²⁰ = 96900641 is a prime.

It is a super-2 number, since 2×97949217² = 19188098221826178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97949219) 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 7 ways as a sum of consecutive naturals, for example, 183159 + ... + 183692.

It is an arithmetic number, because the mean of its divisors is an integer number (16508340).

Almost surely, 2^97949217 is an apocalyptic number.

It is an amenable number.

97949217 is a deficient number, since it is larger than the sum of its proper divisors (34117503).

97949217 is a wasteful number, since it uses less digits than its factorization.

97949217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366943.

The product of its digits is 285768, while the sum is 48.

The square root of 97949217 is about 9896.9296754094. The cubic root of 97949217 is about 460.9639787842.

The spelling of 97949217 in words is "ninety-seven million, nine hundred forty-nine thousand, two hundred seventeen".