2997688 has 16 divisors (see below), whose sum is σ = 5680080. Its totient is φ = 1483008.

The previous prime is 2997667. The next prime is 2997689. The reversal of 2997688 is 8867992.

It is a happy number.

It is a super-2 number, since 2×2997688² = 17972266690688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2997689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1156 + ... + 2707.

It is an arithmetic number, because the mean of its divisors is an integer number (355005).

2^2997688 is an apocalyptic number.

It is an amenable number.

2997688 is a deficient number, since it is larger than the sum of its proper divisors (2682392).

2997688 is a wasteful number, since it uses less digits than its factorization.

2997688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966 (or 3962 counting only the distinct ones).

The product of its digits is 435456, while the sum is 49.

The square root of 2997688 is about 1731.3832620191. The cubic root of 2997688 is about 144.1878977200.

The spelling of 2997688 in words is "two million, nine hundred ninety-seven thousand, six hundred eighty-eight".