3204642 has 32 divisors (see below), whose sum is σ = 7507584. Its totient is φ = 892800.

The previous prime is 3204631. The next prime is 3204647. The reversal of 3204642 is 2464023.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (3204647) 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, 792 + ... + 2652.

It is an arithmetic number, because the mean of its divisors is an integer number (234612).

Almost surely, 2^3204642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3204642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3753792).

3204642 is an abundant number, since it is smaller than the sum of its proper divisors (4302942).

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

3204642 is a wasteful number, since it uses less digits than its factorization.

3204642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3204642 is about 1790.1513902461. The cubic root of 3204642 is about 147.4324808277.

Adding to 3204642 its reverse (2464023), we get a palindrome (5668665).

The spelling of 3204642 in words is "three million, two hundred four thousand, six hundred forty-two".