97984649 has 8 divisors (see below), whose sum is σ = 115844160. Its totient is φ = 81090576.

The previous prime is 97984643. The next prime is 97984661. The reversal of 97984649 is 94648979.

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

It is not a de Polignac number, because 97984649 - 2⁴ = 97984633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97984594 and 97984603.

It is not an unprimeable number, because it can be changed into a prime (97984643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241139 + ... + 241544.

It is an arithmetic number, because the mean of its divisors is an integer number (14480520).

Almost surely, 2^97984649 is an apocalyptic number.

It is an amenable number.

97984649 is a deficient number, since it is larger than the sum of its proper divisors (17859511).

97984649 is a wasteful number, since it uses less digits than its factorization.

97984649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482719.

The product of its digits is 3919104, while the sum is 56.

The square root of 97984649 is about 9898.7195636607. The cubic root of 97984649 is about 461.0195548850.

The spelling of 97984649 in words is "ninety-seven million, nine hundred eighty-four thousand, six hundred forty-nine".