3889697 has 4 divisors (see below), whose sum is σ = 4445376. Its totient is φ = 3334020.

The previous prime is 3889679. The next prime is 3889727. The reversal of 3889697 is 7969883.

3889697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 7969883 = 31 ⋅257093.

It is a cyclic number.

It is not a de Polignac number, because 3889697 - 2⁸ = 3889441 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 (3889607) 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 3 ways as a sum of consecutive naturals, for example, 277829 + ... + 277842.

It is an arithmetic number, because the mean of its divisors is an integer number (1111344).

Almost surely, 2^3889697 is an apocalyptic number.

It is an amenable number.

3889697 is a deficient number, since it is larger than the sum of its proper divisors (555679).

3889697 is an equidigital number, since it uses as much as digits as its factorization.

3889697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555678.

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

The square root of 3889697 is about 1972.2314772866. The cubic root of 3889697 is about 157.2673578874.

The spelling of 3889697 in words is "three million, eight hundred eighty-nine thousand, six hundred ninety-seven".