3204684 has 84 divisors (see below), whose sum is σ = 9670864. Its totient is φ = 909792.

The previous prime is 3204679. The next prime is 3204689. The reversal of 3204684 is 4864023.

It is an interprime number because it is at equal distance from previous prime (3204679) and next prime (3204689).

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3204689) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 20334 + ... + 20490.

Almost surely, 2^3204684 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 3204684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4835432).

3204684 is an abundant number, since it is smaller than the sum of its proper divisors (6466180).

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

3204684 is a wasteful number, since it uses less digits than its factorization.

3204684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 3204684 is about 1790.1631210591. The cubic root of 3204684 is about 147.4331249076.

The spelling of 3204684 in words is "three million, two hundred four thousand, six hundred eighty-four".