1604829600 has 432 divisors, whose sum is σ = 6449212224. Its totient is φ = 371712000.

The previous prime is 1604829599. The next prime is 1604829647. The reversal of 1604829600 is 69284061.

1604829600 is a `hidden beast` number, since 1 + 6 + 0 + 48 + 2 + 9 + 600 = 666.

1604829600 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1821160 + ... + 1822040.

It is an arithmetic number, because the mean of its divisors is an integer number (14928732).

Almost surely, 2^1604829600 is an apocalyptic number.

1604829600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1604829600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3224606112).

1604829600 is an abundant number, since it is smaller than the sum of its proper divisors (4844382624).

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

1604829600 is a wasteful number, since it uses less digits than its factorization.

1604829600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1604829600 is about 40060.3245119158. The cubic root of 1604829600 is about 1170.7827328624.

The spelling of 1604829600 in words is "one billion, six hundred four million, eight hundred twenty-nine thousand, six hundred".