1604581346 has 16 divisors (see below), whose sum is σ = 2591650080. Its totient is φ = 742297920.

The previous prime is 1604581337. The next prime is 1604581399. The reversal of 1604581346 is 6431854061.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397940 + ... + 401951.

It is an arithmetic number, because the mean of its divisors is an integer number (161978130).

Almost surely, 2^1604581346 is an apocalyptic number.

1604581346 is a deficient number, since it is larger than the sum of its proper divisors (987068734).

1604581346 is a wasteful number, since it uses less digits than its factorization.

1604581346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799969.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 1604581346 is about 40057.2258899690. The cubic root of 1604581346 is about 1170.7223595815.

The spelling of 1604581346 in words is "one billion, six hundred four million, five hundred eighty-one thousand, three hundred forty-six".