1604852340 has 384 divisors, whose sum is σ = 5803757568. Its totient is φ = 322375680.

The previous prime is 1604852339. The next prime is 1604852357. The reversal of 1604852340 is 432584061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14998567 + ... + 14998673.

It is an arithmetic number, because the mean of its divisors is an integer number (15113952).

Almost surely, 2^1604852340 is an apocalyptic number.

1604852340 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 1604852340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2901878784).

1604852340 is an abundant number, since it is smaller than the sum of its proper divisors (4198905228).

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

1604852340 is a wasteful number, since it uses less digits than its factorization.

1604852340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 1604852340 is about 40060.6083328748. The cubic root of 1604852340 is about 1170.7882627275.

The spelling of 1604852340 in words is "one billion, six hundred four million, eight hundred fifty-two thousand, three hundred forty".