1604346 has 8 divisors (see below), whose sum is σ = 3208704. Its totient is φ = 534780.

The previous prime is 1604333. The next prime is 1604347. The reversal of 1604346 is 6434061.

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

1604346 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1604347) by changing a digit.

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, 133690 + ... + 133701.

It is an arithmetic number, because the mean of its divisors is an integer number (401088).

2^1604346 is an apocalyptic number.

1604346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1604346 is a wasteful number, since it uses less digits than its factorization.

1604346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267396.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1604346 is about 1266.6278064214. The cubic root of 1604346 is about 117.0665119667.

The spelling of 1604346 in words is "one million, six hundred four thousand, three hundred forty-six".