984979197 has 20 divisors (see below), whose sum is σ = 1474070400. Its totient is φ = 655456104.

The previous prime is 984979187. The next prime is 984979207. The reversal of 984979197 is 791979489.

It is an interprime number because it is at equal distance from previous prime (984979187) and next prime (984979207).

It is not a de Polignac number, because 984979197 - 2⁷ = 984979069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (984979147) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34804 + ... + 56402.

It is an arithmetic number, because the mean of its divisors is an integer number (73703520).

Almost surely, 2^984979197 is an apocalyptic number.

It is an amenable number.

984979197 is a deficient number, since it is larger than the sum of its proper divisors (489091203).

984979197 is a wasteful number, since it uses less digits than its factorization.

984979197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22174 (or 22165 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 63.

The square root of 984979197 is about 31384.3782318529. The cubic root of 984979197 is about 994.9677849557.

The spelling of 984979197 in words is "nine hundred eighty-four million, nine hundred seventy-nine thousand, one hundred ninety-seven".