1604742896 has 20 divisors (see below), whose sum is σ = 3114330432. Its totient is φ = 801044736.

The previous prime is 1604742889. The next prime is 1604742899. The reversal of 1604742896 is 6982474061.

It is a self number, because there is not a number n which added to its sum of digits gives 1604742896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604742899) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 72905 + ... + 92328.

Almost surely, 2^1604742896 is an apocalyptic number.

1604742896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1604742896 is a deficient number, since it is larger than the sum of its proper divisors (1509587536).

1604742896 is a wasteful number, since it uses less digits than its factorization.

1604742896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165848 (or 165842 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 1604742896 is about 40059.2423293302. The cubic root of 1604742896 is about 1170.7616478878.

The spelling of 1604742896 in words is "one billion, six hundred four million, seven hundred forty-two thousand, eight hundred ninety-six".