2997684 has 18 divisors (see below), whose sum is σ = 7577570. Its totient is φ = 999216.

The previous prime is 2997667. The next prime is 2997689. The reversal of 2997684 is 4867992.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2965284 + 32400 = 1722^2 + 180^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2997684² = 17972218727712, 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 5 ways as a sum of consecutive naturals, for example, 41599 + ... + 41670.

2^2997684 is an apocalyptic number.

It is an amenable number.

2997684 is an abundant number, since it is smaller than the sum of its proper divisors (4579886).

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

2997684 is a wasteful number, since it uses less digits than its factorization.

2997684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83279 (or 83274 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 2997684 is about 1731.3821068730. The cubic root of 2997684 is about 144.1878335871.

The spelling of 2997684 in words is "two million, nine hundred ninety-seven thousand, six hundred eighty-four".