997488184 has 48 divisors (see below), whose sum is σ = 2349471600. Its totient is φ = 388629120.

The previous prime is 997488131. The next prime is 997488187. The reversal of 997488184 is 481884799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997488187) 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 11 ways as a sum of consecutive naturals, for example, 66829 + ... + 80380.

It is an arithmetic number, because the mean of its divisors is an integer number (48947325).

Almost surely, 2^997488184 is an apocalyptic number.

It is an amenable number.

997488184 is an abundant number, since it is smaller than the sum of its proper divisors (1351983416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

997488184 is a wasteful number, since it uses less digits than its factorization.

997488184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147244 (or 147229 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 58.

The square root of 997488184 is about 31583.0363328164. The cubic root of 997488184 is about 999.1620259957.

The spelling of 997488184 in words is "nine hundred ninety-seven million, four hundred eighty-eight thousand, one hundred eighty-four".