1601606 has 8 divisors (see below), whose sum is σ = 2421144. Its totient is φ = 794560.

The previous prime is 1601599. The next prime is 1601609. The reversal of 1601606 is 6061061.

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 (1601609) 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, 2795 + ... + 3318.

It is an arithmetic number, because the mean of its divisors is an integer number (302643).

2^1601606 is an apocalyptic number.

1601606 is a deficient number, since it is larger than the sum of its proper divisors (819538).

1601606 is a wasteful number, since it uses less digits than its factorization.

1601606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6246.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1601606 is about 1265.5457320856. The cubic root of 1601606 is about 116.9998295466. Note that the first 3 decimals are identical.

Adding to 1601606 its reverse (6061061), we get a palindrome (7662667).

The spelling of 1601606 in words is "one million, six hundred one thousand, six hundred six".