2997216 has 48 divisors (see below), whose sum is σ = 8744400. Its totient is φ = 998784.

The previous prime is 2997209. The next prime is 2997221. The reversal of 2997216 is 6127992.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 871 + ... + 2598.

It is an arithmetic number, because the mean of its divisors is an integer number (182175).

2^2997216 is an apocalyptic number.

It is an amenable number.

2997216 is an abundant number, since it is smaller than the sum of its proper divisors (5747184).

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

2997216 is a wasteful number, since it uses less digits than its factorization.

2997216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488 (or 3474 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 2997216 is about 1731.2469494558. The cubic root of 2997216 is about 144.1803296364.

The spelling of 2997216 in words is "two million, nine hundred ninety-seven thousand, two hundred sixteen".