2290928 has 20 divisors (see below), whose sum is σ = 4476648. Its totient is φ = 1135680.

The previous prime is 2290927. The next prime is 2290933. The reversal of 2290928 is 8290922.

2290928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2290928² = 10496702202368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2290894 and 2290903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1550 + ... + 2642.

2^2290928 is an apocalyptic number.

It is an amenable number.

2290928 is a deficient number, since it is larger than the sum of its proper divisors (2185720).

2290928 is a wasteful number, since it uses less digits than its factorization.

2290928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 1226 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 2290928 is about 1513.5811838154. The cubic root of 2290928 is about 131.8268313857.

The spelling of 2290928 in words is "two million, two hundred ninety thousand, nine hundred twenty-eight".