3865393 has 8 divisors (see below), whose sum is σ = 4471488. Its totient is φ = 3272784.

The previous prime is 3865363. The next prime is 3865429. The reversal of 3865393 is 3935683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3865393 - 2⁵ = 3865361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3865333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2746 + ... + 3907.

It is an arithmetic number, because the mean of its divisors is an integer number (558936).

Almost surely, 2^3865393 is an apocalyptic number.

It is an amenable number.

3865393 is a deficient number, since it is larger than the sum of its proper divisors (606095).

3865393 is an equidigital number, since it uses as much as digits as its factorization.

3865393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6743.

The product of its digits is 58320, while the sum is 37.

The square root of 3865393 is about 1966.0602737454. The cubic root of 3865393 is about 156.9391220014.

The spelling of 3865393 in words is "three million, eight hundred sixty-five thousand, three hundred ninety-three".