3886997 has 4 divisors (see below), whose sum is σ = 4012416. Its totient is φ = 3761580.

The previous prime is 3886991. The next prime is 3887003. The reversal of 3886997 is 7996883.

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: 7996883 = 1123 ⋅7121.

It is an interprime number because it is at equal distance from previous prime (3886991) and next prime (3887003).

It is a cyclic number.

It is not a de Polignac number, because 3886997 - 2⁸ = 3886741 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 (3886991) 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, 62663 + ... + 62724.

It is an arithmetic number, because the mean of its divisors is an integer number (1003104).

Almost surely, 2^3886997 is an apocalyptic number.

It is an amenable number.

3886997 is a deficient number, since it is larger than the sum of its proper divisors (125419).

3886997 is a wasteful number, since it uses less digits than its factorization.

3886997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125418.

The product of its digits is 653184, while the sum is 50.

The square root of 3886997 is about 1971.5468546296. The cubic root of 3886997 is about 157.2309608661.

The spelling of 3886997 in words is "three million, eight hundred eighty-six thousand, nine hundred ninety-seven".