2044390 has 8 divisors (see below), whose sum is σ = 3679920. Its totient is φ = 817752.

The previous prime is 2044363. The next prime is 2044391. The reversal of 2044390 is 934402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044391) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 102210 + ... + 102229.

It is an arithmetic number, because the mean of its divisors is an integer number (459990).

2^2044390 is an apocalyptic number.

2044390 is a deficient number, since it is larger than the sum of its proper divisors (1635530).

2044390 is a wasteful number, since it uses less digits than its factorization.

2044390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204446.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2044390 is about 1429.8216672019. The cubic root of 2044390 is about 126.9174241555.

Adding to 2044390 its reverse (934402), we get a palindrome (2978792).

The spelling of 2044390 in words is "two million, forty-four thousand, three hundred ninety".