2290628 has 6 divisors (see below), whose sum is σ = 4008606. Its totient is φ = 1145312.

The previous prime is 2290627. The next prime is 2290637. The reversal of 2290628 is 8260922.

It is a happy number.

2290628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2067844 + 222784 = 1438^2 + 472^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2290628.

It is not an unprimeable number, because it can be changed into a prime (2290627) 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 as a sum of consecutive naturals, namely, 286325 + ... + 286332.

It is an arithmetic number, because the mean of its divisors is an integer number (668101).

2^2290628 is an apocalyptic number.

It is an amenable number.

2290628 is a deficient number, since it is larger than the sum of its proper divisors (1717978).

2290628 is a wasteful number, since it uses less digits than its factorization.

2290628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572661 (or 572659 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2290628 is about 1513.4820778589. The cubic root of 2290628 is about 131.8210768362.

The spelling of 2290628 in words is "two million, two hundred ninety thousand, six hundred twenty-eight".