988647297 has 16 divisors (see below), whose sum is σ = 1440807168. Its totient is φ = 598024080.

The previous prime is 988647293. The next prime is 988647307. The reversal of 988647297 is 792746889.

It is not a de Polignac number, because 988647297 - 2² = 988647293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 988647297.

It is not an unprimeable number, because it can be changed into a prime (988647293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11383 + ... + 45900.

It is an arithmetic number, because the mean of its divisors is an integer number (90050448).

Almost surely, 2^988647297 is an apocalyptic number.

It is an amenable number.

988647297 is a deficient number, since it is larger than the sum of its proper divisors (452159871).

988647297 is a wasteful number, since it uses less digits than its factorization.

988647297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57820.

The product of its digits is 12192768, while the sum is 60.

The square root of 988647297 is about 31442.7622355289. The cubic root of 988647297 is about 996.2013542281.

The spelling of 988647297 in words is "nine hundred eighty-eight million, six hundred forty-seven thousand, two hundred ninety-seven".