1706328961 has 4 divisors (see below), whose sum is σ = 1710784512. Its totient is φ = 1701873412.

The previous prime is 1706328931. The next prime is 1706328971. The reversal of 1706328961 is 1698236071.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1706328961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1706328931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2227201 + ... + 2227966.

It is an arithmetic number, because the mean of its divisors is an integer number (427696128).

Almost surely, 2^1706328961 is an apocalyptic number.

It is an amenable number.

1706328961 is a deficient number, since it is larger than the sum of its proper divisors (4455551).

1706328961 is an equidigital number, since it uses as much as digits as its factorization.

1706328961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4455550.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 1706328961 is about 41307.7348810123. The cubic root of 1706328961 is about 1194.9624378523.

The spelling of 1706328961 in words is "one billion, seven hundred six million, three hundred twenty-eight thousand, nine hundred sixty-one".