1604382 has 32 divisors (see below), whose sum is σ = 3518592. Its totient is φ = 484704.

The previous prime is 1604381. The next prime is 1604399. The reversal of 1604382 is 2834061.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604381) 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, 5073 + ... + 5379.

It is an arithmetic number, because the mean of its divisors is an integer number (109956).

2^1604382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1604382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1759296).

1604382 is an abundant number, since it is smaller than the sum of its proper divisors (1914210).

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

1604382 is a wasteful number, since it uses less digits than its factorization.

1604382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1604382 is about 1266.6420173040. The cubic root of 1604382 is about 117.0673875806.

The spelling of 1604382 in words is "one million, six hundred four thousand, three hundred eighty-two".