2944406 has 4 divisors (see below), whose sum is σ = 4416612. Its totient is φ = 1472202.

The previous prime is 2944397. The next prime is 2944427. The reversal of 2944406 is 6044492.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736100 + ... + 736103.

It is an arithmetic number, because the mean of its divisors is an integer number (1104153).

2^2944406 is an apocalyptic number.

2944406 is a deficient number, since it is larger than the sum of its proper divisors (1472206).

2944406 is a wasteful number, since it uses less digits than its factorization.

2944406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472205.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2944406 is about 1715.9271546310. The cubic root of 2944406 is about 143.3285029320.

Adding to 2944406 its reverse (6044492), we get a palindrome (8988898).

The spelling of 2944406 in words is "two million, nine hundred forty-four thousand, four hundred six".