2997728 has 24 divisors (see below), whose sum is σ = 6159888. Its totient is φ = 1433344.

The previous prime is 2997727. The next prime is 2997737. The reversal of 2997728 is 8277992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2997721) 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 3 ways as a sum of consecutive naturals, for example, 1301 + ... + 2772.

It is an arithmetic number, because the mean of its divisors is an integer number (256662).

2^2997728 is an apocalyptic number.

It is an amenable number.

2997728 is an abundant number, since it is smaller than the sum of its proper divisors (3162160).

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

2997728 is a wasteful number, since it uses less digits than its factorization.

2997728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106 (or 4098 counting only the distinct ones).

The product of its digits is 127008, while the sum is 44.

The square root of 2997728 is about 1731.3948134380. The cubic root of 2997728 is about 144.1885390465.

The spelling of 2997728 in words is "two million, nine hundred ninety-seven thousand, seven hundred twenty-eight".