2966638 has 16 divisors (see below), whose sum is σ = 4677120. Its totient is φ = 1409400.

The previous prime is 2966633. The next prime is 2966651. The reversal of 2966638 is 8366692.

2966638 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 2966638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2966633) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3253 + ... + 4063.

It is an arithmetic number, because the mean of its divisors is an integer number (292320).

2^2966638 is an apocalyptic number.

2966638 is a deficient number, since it is larger than the sum of its proper divisors (1710482).

2966638 is a wasteful number, since it uses less digits than its factorization.

2966638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903.

The product of its digits is 93312, while the sum is 40.

The square root of 2966638 is about 1722.3931026337. The cubic root of 2966638 is about 143.6883370059.

The spelling of 2966638 in words is "two million, nine hundred sixty-six thousand, six hundred thirty-eight".