3901109 has 16 divisors (see below), whose sum is σ = 4399920. Its totient is φ = 3440640.

The previous prime is 3901103. The next prime is 3901111. The reversal of 3901109 is 9011093.

It can be written as a sum of positive squares in 8 ways, for example, as 253009 + 3648100 = 503^2 + 1910^2 .

It is a cyclic number.

It is not a de Polignac number, because 3901109 - 2¹² = 3897013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3901103) 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, 20117 + ... + 20309.

It is an arithmetic number, because the mean of its divisors is an integer number (274995).

Almost surely, 2^3901109 is an apocalyptic number.

It is an amenable number.

3901109 is a deficient number, since it is larger than the sum of its proper divisors (498811).

3901109 is a wasteful number, since it uses less digits than its factorization.

3901109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280.

The product of its (nonzero) digits is 243, while the sum is 23.

The square root of 3901109 is about 1975.1225278448. The cubic root of 3901109 is about 157.4210101941.

The spelling of 3901109 in words is "three million, nine hundred one thousand, one hundred nine".