3896917 has 4 divisors (see below), whose sum is σ = 4022656. Its totient is φ = 3771180.

The previous prime is 3896903. The next prime is 3896923. The reversal of 3896917 is 7196983.

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: 7196983 = 241 ⋅29863.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3896917 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 (3896947) 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, 62823 + ... + 62884.

It is an arithmetic number, because the mean of its divisors is an integer number (1005664).

Almost surely, 2^3896917 is an apocalyptic number.

It is an amenable number.

3896917 is a deficient number, since it is larger than the sum of its proper divisors (125739).

3896917 is a wasteful number, since it uses less digits than its factorization.

3896917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125738.

The product of its digits is 81648, while the sum is 43.

The square root of 3896917 is about 1974.0610426225. The cubic root of 3896917 is about 157.3646035511.

The spelling of 3896917 in words is "three million, eight hundred ninety-six thousand, nine hundred seventeen".