3864835 has 16 divisors (see below), whose sum is σ = 5132736. Its totient is φ = 2775168.

The previous prime is 3864829. The next prime is 3864841. The reversal of 3864835 is 5384683.

It is an interprime number because it is at equal distance from previous prime (3864829) and next prime (3864841).

It is a cyclic number.

It is not a de Polignac number, because 3864835 - 2³ = 3864827 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3864794 and 3864803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1602 + ... + 3208.

It is an arithmetic number, because the mean of its divisors is an integer number (320796).

Almost surely, 2^3864835 is an apocalyptic number.

3864835 is a deficient number, since it is larger than the sum of its proper divisors (1267901).

3864835 is a wasteful number, since it uses less digits than its factorization.

3864835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662.

The product of its digits is 69120, while the sum is 37.

The square root of 3864835 is about 1965.9183604616. The cubic root of 3864835 is about 156.9315698375.

It can be divided in two parts, 38648 and 35, that added together give a palindrome (38683).

The spelling of 3864835 in words is "three million, eight hundred sixty-four thousand, eight hundred thirty-five".