1604299824 has 160 divisors (see below), whose sum is σ = 4809067200. Its totient is φ = 511580160.

The previous prime is 1604299813. The next prime is 1604299859. The reversal of 1604299824 is 4289924061.

It is a self number, because there is not a number n which added to its sum of digits gives 1604299824.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 937882 + ... + 939590.

It is an arithmetic number, because the mean of its divisors is an integer number (30056670).

Almost surely, 2^1604299824 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 1604299824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2404533600).

1604299824 is an abundant number, since it is smaller than the sum of its proper divisors (3204767376).

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

1604299824 is a wasteful number, since it uses less digits than its factorization.

1604299824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820 (or 1808 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 1604299824 is about 40053.7117381149. The cubic root of 1604299824 is about 1170.6538882680.

The spelling of 1604299824 in words is "one billion, six hundred four million, two hundred ninety-nine thousand, eight hundred twenty-four".