1604597472 has 192 divisors, whose sum is σ = 4848802560. Its totient is φ = 515953152.

The previous prime is 1604597441. The next prime is 1604597473. The reversal of 1604597472 is 2747954061.

1604597472 is a `hidden beast` number, since 1 + 60 + 459 + 74 + 72 = 666.

1604597472 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604597473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3067803 + ... + 3068325.

It is an arithmetic number, because the mean of its divisors is an integer number (25254180).

Almost surely, 2^1604597472 is an apocalyptic number.

1604597472 is a gapful number since it is divisible by the number (12) 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 1604597472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2424401280).

1604597472 is an abundant number, since it is smaller than the sum of its proper divisors (3244205088).

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

1604597472 is a wasteful number, since it uses less digits than its factorization.

1604597472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 1604597472 is about 40057.4271764925. The cubic root of 1604597472 is about 1170.7262814779.

It can be divided in two parts, 1604 and 597472, that added together give a square (599076 = 774²).

The spelling of 1604597472 in words is "one billion, six hundred four million, five hundred ninety-seven thousand, four hundred seventy-two".