3109990 has 32 divisors (see below), whose sum is σ = 6168960. Its totient is φ = 1121664.

The previous prime is 3109979. The next prime is 3109999. The reversal of 3109990 is 999013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3109999) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5856 + ... + 6364.

It is an arithmetic number, because the mean of its divisors is an integer number (192780).

Almost surely, 2^3109990 is an apocalyptic number.

3109990 is a deficient number, since it is larger than the sum of its proper divisors (3058970).

3109990 is a wasteful number, since it uses less digits than its factorization.

3109990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576.

The product of its (nonzero) digits is 2187, while the sum is 31.

The square root of 3109990 is about 1763.5163736127. The cubic root of 3109990 is about 145.9664337672.

The spelling of 3109990 in words is "three million, one hundred nine thousand, nine hundred ninety".