2990646 has 12 divisors (see below), whose sum is σ = 6479772. Its totient is φ = 996876.

The previous prime is 2990639. The next prime is 2990677. The reversal of 2990646 is 6460992.

2990646 is a `hidden beast` number, since 2 + 9 + 9 + 0 + 646 = 666.

2990646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2990646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83056 + ... + 83091.

It is an arithmetic number, because the mean of its divisors is an integer number (539981).

2^2990646 is an apocalyptic number.

2990646 is an abundant number, since it is smaller than the sum of its proper divisors (3489126).

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

2990646 is a wasteful number, since it uses less digits than its factorization.

2990646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166155 (or 166152 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 2990646 is about 1729.3484322137. The cubic root of 2990646 is about 144.0749031612.

The spelling of 2990646 in words is "two million, nine hundred ninety thousand, six hundred forty-six".