4090626 has 12 divisors (see below), whose sum is σ = 8863062. Its totient is φ = 1363536.

The previous prime is 4090589. The next prime is 4090637. The reversal of 4090626 is 6260904.

4090626 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., 3186225 + 904401 = 1785^2 + 951^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4090626.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 113611 + ... + 113646.

Almost surely, 2^4090626 is an apocalyptic number.

4090626 is an abundant number, since it is smaller than the sum of its proper divisors (4772436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4090626 is a wasteful number, since it uses less digits than its factorization.

4090626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227265 (or 227262 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 4090626 is about 2022.5296042333. The cubic root of 4090626 is about 159.9299954171.

The spelling of 4090626 in words is "four million, ninety thousand, six hundred twenty-six".