3925284 has 48 divisors (see below), whose sum is σ = 10112256. Its totient is φ = 1175200.

The previous prime is 3925279. The next prime is 3925297. The reversal of 3925284 is 4825293.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 17179 + ... + 17405.

It is an arithmetic number, because the mean of its divisors is an integer number (210672).

Almost surely, 2^3925284 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 3925284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5056128).

3925284 is an abundant number, since it is smaller than the sum of its proper divisors (6186972).

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

3925284 is a wasteful number, since it uses less digits than its factorization.

3925284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 374 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 3925284 is about 1981.2329494534. The cubic root of 3925284 is about 157.7455178080.

Subtracting 3925284 from its reverse (4825293), we obtain a palindrome (900009).

The spelling of 3925284 in words is "three million, nine hundred twenty-five thousand, two hundred eighty-four".