3479784 has 96 divisors (see below), whose sum is σ = 11080800. Its totient is φ = 900480.

The previous prime is 3479783. The next prime is 3479789. The reversal of 3479784 is 4879743.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3479783) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12802 + ... + 13070.

It is an arithmetic number, because the mean of its divisors is an integer number (115425).

Almost surely, 2^3479784 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 3479784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5540400).

3479784 is an abundant number, since it is smaller than the sum of its proper divisors (7601016).

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

3479784 is a wasteful number, since it uses less digits than its factorization.

3479784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 292 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 3479784 is about 1865.4179156425. The cubic root of 3479784 is about 151.5365616646.

The spelling of 3479784 in words is "three million, four hundred seventy-nine thousand, seven hundred eighty-four".