3109394 has 4 divisors (see below), whose sum is σ = 4664094. Its totient is φ = 1554696.

The previous prime is 3109391. The next prime is 3109397. The reversal of 3109394 is 4939013.

3109394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3109391) and next prime (3109397).

It can be written as a sum of positive squares in only one way, i.e., 3108169 + 1225 = 1763^2 + 35^2 .

It is not an unprimeable number, because it can be changed into a prime (3109391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777347 + ... + 777350.

Almost surely, 2^3109394 is an apocalyptic number.

3109394 is a deficient number, since it is larger than the sum of its proper divisors (1554700).

3109394 is a wasteful number, since it uses less digits than its factorization.

3109394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554699.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 3109394 is about 1763.3473849472. The cubic root of 3109394 is about 145.9571088120.

The spelling of 3109394 in words is "three million, one hundred nine thousand, three hundred ninety-four".