3914909 has 4 divisors (see below), whose sum is σ = 3936960. Its totient is φ = 3892860.

The previous prime is 3914903. The next prime is 3914921. The reversal of 3914909 is 9094193.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9094193 = 37 ⋅245789.

It is a cyclic number.

It is not a de Polignac number, because 3914909 - 2²⁰ = 2866333 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 (3914903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10757 + ... + 11114.

It is an arithmetic number, because the mean of its divisors is an integer number (984240).

Almost surely, 2^3914909 is an apocalyptic number.

It is an amenable number.

3914909 is a deficient number, since it is larger than the sum of its proper divisors (22051).

3914909 is a wasteful number, since it uses less digits than its factorization.

3914909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22050.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 3914909 is about 1978.6128979667. The cubic root of 3914909 is about 157.6064150248.

The spelling of 3914909 in words is "three million, nine hundred fourteen thousand, nine hundred nine".