1604324434 has 8 divisors (see below), whose sum is σ = 2412837360. Its totient is φ = 800045316.

The previous prime is 1604324377. The next prime is 1604324437. The reversal of 1604324434 is 4344234061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1604324434³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1604324396 and 1604324405.

It is not an unprimeable number, because it can be changed into a prime (1604324437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057504 + ... + 1059019.

It is an arithmetic number, because the mean of its divisors is an integer number (301604670).

Almost surely, 2^1604324434 is an apocalyptic number.

1604324434 is a deficient number, since it is larger than the sum of its proper divisors (808512926).

1604324434 is a wasteful number, since it uses less digits than its factorization.

1604324434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116904.

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 1604324434 is about 40054.0189494138. The cubic root of 1604324434 is about 1170.6598741908.

Adding to 1604324434 its reverse (4344234061), we get a palindrome (5948558495).

The spelling of 1604324434 in words is "one billion, six hundred four million, three hundred twenty-four thousand, four hundred thirty-four".