3956890 has 16 divisors (see below), whose sum is σ = 8140032. Its totient is φ = 1356624.

The previous prime is 3956881. The next prime is 3956917. The reversal of 3956890 is 986593.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28194 + ... + 28333.

It is an arithmetic number, because the mean of its divisors is an integer number (508752).

Almost surely, 2^3956890 is an apocalyptic number.

3956890 is an abundant number, since it is smaller than the sum of its proper divisors (4183142).

3956890 is a wasteful number, since it uses less digits than its factorization.

3956890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56541.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 3956890 is about 1989.1933038295. The cubic root of 3956890 is about 158.1677703047.

The spelling of 3956890 in words is "three million, nine hundred fifty-six thousand, eight hundred ninety".