3109404 has 24 divisors (see below), whose sum is σ = 7393680. Its totient is φ = 1016704.

The previous prime is 3109397. The next prime is 3109411. The reversal of 3109404 is 4049013.

It is an interprime number because it is at equal distance from previous prime (3109397) and next prime (3109411).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1809 + ... + 3080.

It is an arithmetic number, because the mean of its divisors is an integer number (308070).

Almost surely, 2^3109404 is an apocalyptic number.

It is an amenable number.

3109404 is an abundant number, since it is smaller than the sum of its proper divisors (4284276).

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

3109404 is a wasteful number, since it uses less digits than its factorization.

3109404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949 (or 4947 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 3109404 is about 1763.3502204610. The cubic root of 3109404 is about 145.9572652808.

The spelling of 3109404 in words is "three million, one hundred nine thousand, four hundred four".