2972646 has 16 divisors (see below), whose sum is σ = 6606000. Its totient is φ = 990864.

The previous prime is 2972639. The next prime is 2972663. The reversal of 2972646 is 6462792.

It is a happy number.

2972646 is a `hidden beast` number, since 2 + 9 + 7 + 2 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2972646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27471 + ... + 27578.

It is an arithmetic number, because the mean of its divisors is an integer number (412875).

2^2972646 is an apocalyptic number.

2972646 is an abundant number, since it is smaller than the sum of its proper divisors (3633354).

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

2972646 is a wasteful number, since it uses less digits than its factorization.

2972646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55060 (or 55054 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 2972646 is about 1724.1363055165. The cubic root of 2972646 is about 143.7852702364.

The spelling of 2972646 in words is "two million, nine hundred seventy-two thousand, six hundred forty-six".