1604374 has 16 divisors (see below), whose sum is σ = 2517120. Its totient is φ = 766080.

The previous prime is 1604359. The next prime is 1604381. The reversal of 1604374 is 4734061.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6892 + ... + 7120.

It is an arithmetic number, because the mean of its divisors is an integer number (157320).

2^1604374 is an apocalyptic number.

1604374 is a deficient number, since it is larger than the sum of its proper divisors (912746).

1604374 is a wasteful number, since it uses less digits than its factorization.

1604374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 1604374 is about 1266.6388593439. The cubic root of 1604374 is about 117.0671930009.

The spelling of 1604374 in words is "one million, six hundred four thousand, three hundred seventy-four".