3956290 has 24 divisors (see below), whose sum is σ = 7714548. Its totient is φ = 1460160.

The previous prime is 3956287. The next prime is 3956297. The reversal of 3956290 is 926593.

It is a happy number.

3956290 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 6 ways, for example, as 603729 + 3352561 = 777^2 + 1831^2 .

It is not an unprimeable number, because it can be changed into a prime (3956297) 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 11 ways as a sum of consecutive naturals, for example, 520 + ... + 2860.

Almost surely, 2^3956290 is an apocalyptic number.

3956290 is a deficient number, since it is larger than the sum of its proper divisors (3758258).

3956290 is a wasteful number, since it uses less digits than its factorization.

3956290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374 (or 2361 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 3956290 is about 1989.0424832064. The cubic root of 3956290 is about 158.1597753508.

The spelling of 3956290 in words is "three million, nine hundred fifty-six thousand, two hundred ninety".