3091996 has 12 divisors (see below), whose sum is σ = 5424552. Its totient is φ = 1542128.

The previous prime is 3091987. The next prime is 3091997. The reversal of 3091996 is 6991903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3091997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1566 + ... + 2938.

It is an arithmetic number, because the mean of its divisors is an integer number (452046).

Almost surely, 2^3091996 is an apocalyptic number.

It is an amenable number.

3091996 is a deficient number, since it is larger than the sum of its proper divisors (2332556).

3091996 is a wasteful number, since it uses less digits than its factorization.

3091996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940 (or 1938 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 3091996 is about 1758.4072338341. The cubic root of 3091996 is about 145.6843747763.

The spelling of 3091996 in words is "three million, ninety-one thousand, nine hundred ninety-six".