3923109 has 12 divisors (see below), whose sum is σ = 5687500. Its totient is φ = 2605824.

The previous prime is 3923099. The next prime is 3923159. The reversal of 3923109 is 9013293.

It can be written as a sum of positive squares in 2 ways, for example, as 2259009 + 1664100 = 1503^2 + 1290^2 .

It is not a de Polignac number, because 3923109 - 2⁵ = 3923077 is a prime.

It is a Duffinian number.

3923109 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3923159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2517 + ... + 3765.

Almost surely, 2^3923109 is an apocalyptic number.

It is an amenable number.

3923109 is a deficient number, since it is larger than the sum of its proper divisors (1764391).

3923109 is a wasteful number, since it uses less digits than its factorization.

3923109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604 (or 1601 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 3923109 is about 1980.6839727730. The cubic root of 3923109 is about 157.7163768261.

The spelling of 3923109 in words is "three million, nine hundred twenty-three thousand, one hundred nine".