1604907338 has 32 divisors (see below), whose sum is σ = 2642549184. Its totient is φ = 727909632.

The previous prime is 1604907319. The next prime is 1604907349. The reversal of 1604907338 is 8337094061.

It is a junction number, because it is equal to n+sod(n) for n = 1604907295 and 1604907304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128645 + ... + 140567.

It is an arithmetic number, because the mean of its divisors is an integer number (82579662).

Almost surely, 2^1604907338 is an apocalyptic number.

1604907338 is a deficient number, since it is larger than the sum of its proper divisors (1037641846).

1604907338 is a wasteful number, since it uses less digits than its factorization.

1604907338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12086.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 1604907338 is about 40061.2947619020. The cubic root of 1604907338 is about 1170.8016368089.

The spelling of 1604907338 in words is "one billion, six hundred four million, nine hundred seven thousand, three hundred thirty-eight".