1604606 has 8 divisors (see below), whose sum is σ = 2412984. Its totient is φ = 800280.

The previous prime is 1604597. The next prime is 1604609. The reversal of 1604606 is 6064061.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341 + ... + 1823.

It is an arithmetic number, because the mean of its divisors is an integer number (301623).

2^1604606 is an apocalyptic number.

1604606 is a deficient number, since it is larger than the sum of its proper divisors (808378).

1604606 is a wasteful number, since it uses less digits than its factorization.

1604606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1604606 is about 1266.7304369912. The cubic root of 1604606 is about 117.0728355505.

Adding to 1604606 its reverse (6064061), we get a palindrome (7668667).

The spelling of 1604606 in words is "one million, six hundred four thousand, six hundred six".