1606329 has 6 divisors (see below), whose sum is σ = 2320266. Its totient is φ = 1070880.

The previous prime is 1606321. The next prime is 1606331. The reversal of 1606329 is 9236061.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1375929 + 230400 = 1173^2 + 480^2 .

It is not a de Polignac number, because 1606329 - 2³ = 1606321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89232 + ... + 89249.

It is an arithmetic number, because the mean of its divisors is an integer number (386711).

2^1606329 is an apocalyptic number.

It is an amenable number.

1606329 is a deficient number, since it is larger than the sum of its proper divisors (713937).

1606329 is a wasteful number, since it uses less digits than its factorization.

1606329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178487 (or 178484 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1606329 is about 1267.4103518593. The cubic root of 1606329 is about 117.1147242008.

The spelling of 1606329 in words is "one million, six hundred six thousand, three hundred twenty-nine".