2044406 has 32 divisors (see below), whose sum is σ = 3870720. Its totient is φ = 788256.

The previous prime is 2044391. The next prime is 2044411. The reversal of 2044406 is 6044402.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8435 + ... + 8673.

It is an arithmetic number, because the mean of its divisors is an integer number (120960).

2^2044406 is an apocalyptic number.

2044406 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2044406 is a deficient number, since it is larger than the sum of its proper divisors (1826314).

2044406 is a wasteful number, since it uses less digits than its factorization.

2044406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2044406 is about 1429.8272622943. The cubic root of 2044406 is about 126.9177552524.

Adding to 2044406 its reverse (6044402), we get a palindrome (8088808).

The spelling of 2044406 in words is "two million, forty-four thousand, four hundred six".