3904617 has 4 divisors (see below), whose sum is σ = 5206160. Its totient is φ = 2603076.

The previous prime is 3904603. The next prime is 3904631. The reversal of 3904617 is 7164093.

It is a happy number.

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: 7164093 = 3 ⋅2388031.

It is an interprime number because it is at equal distance from previous prime (3904603) and next prime (3904631).

It is not a de Polignac number, because 3904617 - 2¹⁰ = 3903593 is a prime.

It is a D-number.

It is a Duffinian number.

3904617 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3904657) 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, 650767 + ... + 650772.

It is an arithmetic number, because the mean of its divisors is an integer number (1301540).

Almost surely, 2^3904617 is an apocalyptic number.

It is an amenable number.

3904617 is a deficient number, since it is larger than the sum of its proper divisors (1301543).

3904617 is a wasteful number, since it uses less digits than its factorization.

3904617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301542.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 3904617 is about 1976.0103744667. The cubic root of 3904617 is about 157.4681820332.

The spelling of 3904617 in words is "three million, nine hundred four thousand, six hundred seventeen".