1604324396 has 12 divisors (see below), whose sum is σ = 2811205152. Its totient is φ = 801122928.

The previous prime is 1604324377. The next prime is 1604324437. The reversal of 1604324396 is 6934234061.

It is a happy number.

It is an unprimeable number.

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, 256340 + ... + 262523.

It is an arithmetic number, because the mean of its divisors is an integer number (234267096).

Almost surely, 2^1604324396 is an apocalyptic number.

It is an amenable number.

1604324396 is a deficient number, since it is larger than the sum of its proper divisors (1206880756).

1604324396 is a wasteful number, since it uses less digits than its factorization.

1604324396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519640 (or 519638 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 1604324396 is about 40054.0184750544. The cubic root of 1604324396 is about 1170.6598649481.

The spelling of 1604324396 in words is "one billion, six hundred four million, three hundred twenty-four thousand, three hundred ninety-six".