1604104634 has 8 divisors (see below), whose sum is σ = 2624898528. Its totient is φ = 729138460.

The previous prime is 1604104627. The next prime is 1604104657. The reversal of 1604104634 is 4364014061.

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

It is a junction number, because it is equal to n+sod(n) for n = 1604104597 and 1604104606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36456902 + ... + 36456945.

It is an arithmetic number, because the mean of its divisors is an integer number (328112316).

Almost surely, 2^1604104634 is an apocalyptic number.

1604104634 is a deficient number, since it is larger than the sum of its proper divisors (1020793894).

1604104634 is a wasteful number, since it uses less digits than its factorization.

1604104634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72913860.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1604104634 is about 40051.2750608517. The cubic root of 1604104634 is about 1170.6064097779.

Adding to 1604104634 its reverse (4364014061), we get a palindrome (5968118695).

The spelling of 1604104634 in words is "one billion, six hundred four million, one hundred four thousand, six hundred thirty-four".