2090626 has 12 divisors (see below), whose sum is σ = 3332178. Its totient is φ = 983552.

The previous prime is 2090623. The next prime is 2090633. The reversal of 2090626 is 6260902.

It can be written as a sum of positive squares in 3 ways, for example, as 1687401 + 403225 = 1299^2 + 635^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2090626.

It is not an unprimeable number, because it can be changed into a prime (2090623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1231 + ... + 2386.

2^2090626 is an apocalyptic number.

2090626 is a deficient number, since it is larger than the sum of its proper divisors (1241552).

2090626 is a wasteful number, since it uses less digits than its factorization.

2090626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3653 (or 3636 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2090626 is about 1445.8997198976. The cubic root of 2090626 is about 127.8670902300.

The spelling of 2090626 in words is "two million, ninety thousand, six hundred twenty-six".