97984138 has 16 divisors (see below), whose sum is σ = 168577344. Its totient is φ = 41842080.

The previous prime is 97984129. The next prime is 97984147. The reversal of 97984138 is 83148979.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (97984129) and next prime (97984147).

It is a junction number, because it is equal to n+sod(n) for n = 97984091 and 97984100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8520 + ... + 16387.

It is an arithmetic number, because the mean of its divisors is an integer number (10536084).

Almost surely, 2^97984138 is an apocalyptic number.

97984138 is a deficient number, since it is larger than the sum of its proper divisors (70593206).

97984138 is a wasteful number, since it uses less digits than its factorization.

97984138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25197.

The product of its digits is 435456, while the sum is 49.

The square root of 97984138 is about 9898.6937522079. The cubic root of 97984138 is about 461.0187534622.

The spelling of 97984138 in words is "ninety-seven million, nine hundred eighty-four thousand, one hundred thirty-eight".