3901617 has 6 divisors (see below), whose sum is σ = 5635682. Its totient is φ = 2601072.

The previous prime is 3901609. The next prime is 3901649. The reversal of 3901617 is 7161093.

3901617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2903616 + 998001 = 1704^2 + 999^2 .

It is not a de Polignac number, because 3901617 - 2³ = 3901609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3901657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 216748 + ... + 216765.

Almost surely, 2^3901617 is an apocalyptic number.

It is an amenable number.

3901617 is a deficient number, since it is larger than the sum of its proper divisors (1734065).

3901617 is a wasteful number, since it uses less digits than its factorization.

3901617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433519 (or 433516 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 3901617 is about 1975.2511232752. The cubic root of 3901617 is about 157.4278429864.

The spelling of 3901617 in words is "three million, nine hundred one thousand, six hundred seventeen".