984392997 has 24 divisors (see below), whose sum is σ = 1530928800. Its totient is φ = 560994336.

The previous prime is 984392989. The next prime is 984392999. The reversal of 984392997 is 799293489.

984392997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 984392997 - 2³ = 984392989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 984392997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (984392999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46879 + ... + 64547.

It is an arithmetic number, because the mean of its divisors is an integer number (63788700).

Almost surely, 2^984392997 is an apocalyptic number.

It is an amenable number.

984392997 is a deficient number, since it is larger than the sum of its proper divisors (546535803).

984392997 is a wasteful number, since it uses less digits than its factorization.

984392997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18065 (or 18058 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 60.

The square root of 984392997 is about 31375.0378007740. The cubic root of 984392997 is about 994.7703642519.

The spelling of 984392997 in words is "nine hundred eighty-four million, three hundred ninety-two thousand, nine hundred ninety-seven".