3109426 has 16 divisors (see below), whose sum is σ = 5016960. Its totient is φ = 1440720.

The previous prime is 3109411. The next prime is 3109427. The reversal of 3109426 is 6249013.

3109426 = T₃₄₀ + T₃₄₁ + ... + T₃₈₆.

It is a self number, because there is not a number n which added to its sum of digits gives 3109426.

It is not an unprimeable number, because it can be changed into a prime (3109427) 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, 916 + ... + 2656.

It is an arithmetic number, because the mean of its divisors is an integer number (313560).

Almost surely, 2^3109426 is an apocalyptic number.

3109426 is a deficient number, since it is larger than the sum of its proper divisors (1907534).

3109426 is a wasteful number, since it uses less digits than its factorization.

3109426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3109426 is about 1763.3564585755. The cubic root of 3109426 is about 145.9576095110.

The spelling of 3109426 in words is "three million, one hundred nine thousand, four hundred twenty-six".