1604546 has 8 divisors (see below), whose sum is σ = 2413584. Its totient is φ = 800020.

The previous prime is 1604543. The next prime is 1604557. The reversal of 1604546 is 6454061.

It is a happy number.

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

It is a super-2 number, since 2×1604546² = 5149135732232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1604543) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 20 + ... + 1791.

It is an arithmetic number, because the mean of its divisors is an integer number (301698).

2^1604546 is an apocalyptic number.

1604546 is a deficient number, since it is larger than the sum of its proper divisors (809038).

1604546 is a wasteful number, since it uses less digits than its factorization.

1604546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1604546 is about 1266.7067537516. The cubic root of 1604546 is about 117.0713763226.

The spelling of 1604546 in words is "one million, six hundred four thousand, five hundred forty-six".