1604332434 has 16 divisors (see below), whose sum is σ = 3213250560. Its totient is φ = 534013200.

The previous prime is 1604332397. The next prime is 1604332439. The reversal of 1604332434 is 4342334061.

It is not an unprimeable number, because it can be changed into a prime (1604332439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186514 + ... + 194925.

It is an arithmetic number, because the mean of its divisors is an integer number (200828160).

Almost surely, 2^1604332434 is an apocalyptic number.

1604332434 is an abundant number, since it is smaller than the sum of its proper divisors (1608918126).

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

1604332434 is a wasteful number, since it uses less digits than its factorization.

1604332434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382145.

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 1604332434 is about 40054.1188144241. The cubic root of 1604332434 is about 1170.6618200282.

Adding to 1604332434 its reverse (4342334061), we get a palindrome (5946666495).

The spelling of 1604332434 in words is "one billion, six hundred four million, three hundred thirty-two thousand, four hundred thirty-four".