3091940 has 24 divisors (see below), whose sum is σ = 6703872. Its totient is φ = 1196640.

The previous prime is 3091939. The next prime is 3091961. The reversal of 3091940 is 491903.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1874 + ... + 3113.

It is an arithmetic number, because the mean of its divisors is an integer number (279328).

Almost surely, 2^3091940 is an apocalyptic number.

It is an amenable number.

3091940 is an abundant number, since it is smaller than the sum of its proper divisors (3611932).

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

3091940 is a wasteful number, since it uses less digits than its factorization.

3091940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027 (or 5025 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 3091940 is about 1758.3913102606. The cubic root of 3091940 is about 145.6834952609.

The spelling of 3091940 in words is "three million, ninety-one thousand, nine hundred forty".