97984651 has 8 divisors (see below), whose sum is σ = 105706944. Its totient is φ = 90480000.

The previous prime is 97984643. The next prime is 97984661. The reversal of 97984651 is 15648979.

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 97984651 - 2³ = 97984643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97984595 and 97984604.

It is not an unprimeable number, because it can be changed into a prime (97984631) 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, 53475 + ... + 55276.

It is an arithmetic number, because the mean of its divisors is an integer number (13213368).

Almost surely, 2^97984651 is an apocalyptic number.

97984651 is the 6261-st centered pentagonal number.

97984651 is a deficient number, since it is larger than the sum of its proper divisors (7722293).

97984651 is a wasteful number, since it uses less digits than its factorization.

97984651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108821.

The product of its digits is 544320, while the sum is 49.

The square root of 97984651 is about 9898.7196646839. The cubic root of 97984651 is about 461.0195580217.

The spelling of 97984651 in words is "ninety-seven million, nine hundred eighty-four thousand, six hundred fifty-one".