1604342700 has 360 divisors, whose sum is σ = 5626139904. Its totient is φ = 393984000.

The previous prime is 1604342693. The next prime is 1604342711. The reversal of 1604342700 is 72434061.

1604342700 is a `hidden beast` number, since 1 + 604 + 34 + 27 + 0 + 0 = 666.

1604342700 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 (27).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 8399605 + ... + 8399795.

Almost surely, 2^1604342700 is an apocalyptic number.

1604342700 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 1604342700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2813069952).

1604342700 is an abundant number, since it is smaller than the sum of its proper divisors (4021797204).

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

1604342700 is a wasteful number, since it uses less digits than its factorization.

1604342700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 1604342700 is about 40054.2469658337. The cubic root of 1604342700 is about 1170.6643170146.

Adding to 1604342700 its reverse (72434061), we get a palindrome (1676776761).

The spelling of 1604342700 in words is "one billion, six hundred four million, three hundred forty-two thousand, seven hundred".