3979284 has 48 divisors (see below), whose sum is σ = 10106880. Its totient is φ = 1213920.

The previous prime is 3979267. The next prime is 3979289. The reversal of 3979284 is 4829793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3979289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6787 + ... + 7349.

It is an arithmetic number, because the mean of its divisors is an integer number (210560).

Almost surely, 2^3979284 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 3979284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5053440).

3979284 is an abundant number, since it is smaller than the sum of its proper divisors (6127596).

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

3979284 is a wasteful number, since it uses less digits than its factorization.

3979284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 618 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 3979284 is about 1994.8142770694. The cubic root of 3979284 is about 158.4655924145.

The spelling of 3979284 in words is "three million, nine hundred seventy-nine thousand, two hundred eighty-four".