2290046 has 12 divisors (see below), whose sum is σ = 3776136. Its totient is φ = 1040820.

The previous prime is 2290039. The next prime is 2290049. The reversal of 2290046 is 6400922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290049) 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 5 ways as a sum of consecutive naturals, for example, 4490 + ... + 4973.

It is an arithmetic number, because the mean of its divisors is an integer number (314678).

2^2290046 is an apocalyptic number.

2290046 is a deficient number, since it is larger than the sum of its proper divisors (1486090).

2290046 is a wasteful number, since it uses less digits than its factorization.

2290046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9487 (or 9476 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2290046 is about 1513.2897937936. The cubic root of 2290046 is about 131.8099115771.

Adding to 2290046 its reverse (6400922), we get a palindrome (8690968).

The spelling of 2290046 in words is "two million, two hundred ninety thousand, forty-six".