2997347328 has 110 divisors (see below), whose sum is σ = 8950912806. Its totient is φ = 999088128.

The previous prime is 2997347273. The next prime is 2997347329. The reversal of 2997347328 is 8237437992.

2997347328 is a `hidden beast` number, since 299 + 7 + 347 + 3 + 2 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2657608704 + 339738624 = 51552^2 + 18432^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2997347329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 64876 + ... + 101012.

Almost surely, 2^2997347328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2997347328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4475456403).

2997347328 is an abundant number, since it is smaller than the sum of its proper divisors (5953565478).

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

2997347328 is an equidigital number, since it uses as much as digits as its factorization.

2997347328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36169 (or 36142 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The square root of 2997347328 is about 54748.0349236390. The cubic root of 2997347328 is about 1441.8243543927.

The spelling of 2997347328 in words is "two billion, nine hundred ninety-seven million, three hundred forty-seven thousand, three hundred twenty-eight".