3949090 has 16 divisors (see below), whose sum is σ = 7338240. Its totient is φ = 1528560.

The previous prime is 3949087. The next prime is 3949097. The reversal of 3949090 is 909493.

It is not an unprimeable number, because it can be changed into a prime (3949097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6060 + ... + 6679.

It is an arithmetic number, because the mean of its divisors is an integer number (458640).

Almost surely, 2^3949090 is an apocalyptic number.

3949090 is a deficient number, since it is larger than the sum of its proper divisors (3389150).

3949090 is a wasteful number, since it uses less digits than its factorization.

3949090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12777.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 3949090 is about 1987.2317429027. The cubic root of 3949090 is about 158.0637727928.

The spelling of 3949090 in words is "three million, nine hundred forty-nine thousand, ninety".