3845697 has 4 divisors (see below), whose sum is σ = 5127600. Its totient is φ = 2563796.

The previous prime is 3845693. The next prime is 3845701. The reversal of 3845697 is 7965483.

It is a happy number.

3845697 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.

It is an interprime number because it is at equal distance from previous prime (3845693) and next prime (3845701).

It is a cyclic number.

It is not a de Polignac number, because 3845697 - 2² = 3845693 is a prime.

It is a D-number.

3845697 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3845693) 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, 640947 + ... + 640952.

It is an arithmetic number, because the mean of its divisors is an integer number (1281900).

Almost surely, 2^3845697 is an apocalyptic number.

It is an amenable number.

3845697 is a deficient number, since it is larger than the sum of its proper divisors (1281903).

3845697 is a wasteful number, since it uses less digits than its factorization.

3845697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281902.

The product of its digits is 181440, while the sum is 42.

The square root of 3845697 is about 1961.0448745503. The cubic root of 3845697 is about 156.6721083568.

The spelling of 3845697 in words is "three million, eight hundred forty-five thousand, six hundred ninety-seven".