1606347 has 12 divisors (see below), whose sum is σ = 2457000. Its totient is φ = 1007808.

The previous prime is 1606331. The next prime is 1606349. The reversal of 1606347 is 7436061.

It is not a de Polignac number, because 1606347 - 2⁴ = 1606331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1606347.

It is not an unprimeable number, because it can be changed into a prime (1606349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5097 + ... + 5402.

It is an arithmetic number, because the mean of its divisors is an integer number (204750).

2^1606347 is an apocalyptic number.

1606347 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1606347 is a deficient number, since it is larger than the sum of its proper divisors (850653).

1606347 is a wasteful number, since it uses less digits than its factorization.

1606347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10522 (or 10519 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 1606347 is about 1267.4174529333. The cubic root of 1606347 is about 117.1151616490.

It can be divided in two parts, 16063 and 47, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 1606347 in words is "one million, six hundred six thousand, three hundred forty-seven".