2290946 has 24 divisors (see below), whose sum is σ = 4055436. Its totient is φ = 967680.

The previous prime is 2290943. The next prime is 2290969. The reversal of 2290946 is 6490922.

It can be written as a sum of positive squares in 2 ways, for example, as 2265025 + 25921 = 1505^2 + 161^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9386 + ... + 9626.

2^2290946 is an apocalyptic number.

2290946 is a deficient number, since it is larger than the sum of its proper divisors (1764490).

2290946 is a wasteful number, since it uses less digits than its factorization.

2290946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2290946 is about 1513.5871299664. The cubic root of 2290946 is about 131.8271766427.

The spelling of 2290946 in words is "two million, two hundred ninety thousand, nine hundred forty-six".