3859284 has 72 divisors (see below), whose sum is σ = 10698912. Its totient is φ = 1073280.

The previous prime is 3859279. The next prime is 3859309. The reversal of 3859284 is 4829583.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22222 + ... + 22394.

It is an arithmetic number, because the mean of its divisors is an integer number (148596).

Almost surely, 2^3859284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3859284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5349456).

3859284 is an abundant number, since it is smaller than the sum of its proper divisors (6839628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3859284 is a wasteful number, since it uses less digits than its factorization.

3859284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 202 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 3859284 is about 1964.5060447858. The cubic root of 3859284 is about 156.8564010796.

Subtracting 3859284 from its reverse (4829583), we obtain a cube (970299 = 99³).

It can be divided in two parts, 385 and 9284, that added together give a palindrome (9669).

The spelling of 3859284 in words is "three million, eight hundred fifty-nine thousand, two hundred eighty-four".