1604052306 has 144 divisors (see below), whose sum is σ = 3868907328. Its totient is φ = 479808000.

The previous prime is 1604052299. The next prime is 1604052311. The reversal of 1604052306 is 6032504061.

1604052306 is a `hidden beast` number, since 1 + 604 + 0 + 52 + 3 + 0 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1604052306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15881656 + ... + 15881756.

It is an arithmetic number, because the mean of its divisors is an integer number (26867412).

Almost surely, 2^1604052306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1604052306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1934453664).

1604052306 is an abundant number, since it is smaller than the sum of its proper divisors (2264855022).

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

1604052306 is a wasteful number, since it uses less digits than its factorization.

1604052306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1604052306 is about 40050.6217929260. The cubic root of 1604052306 is about 1170.5936807333.

Adding to 1604052306 its reverse (6032504061), we get a palindrome (7636556367).

The spelling of 1604052306 in words is "one billion, six hundred four million, fifty-two thousand, three hundred six".