3168997 has 4 divisors (see below), whose sum is σ = 3412780. Its totient is φ = 2925216.

The previous prime is 3168989. The next prime is 3169007. The reversal of 3168997 is 7998613.

3168997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1726596 + 1442401 = 1314^2 + 1201^2 .

It is a cyclic number.

It is not a de Polignac number, because 3168997 - 2³ = 3168989 is a prime.

It is a Duffinian number.

3168997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3168937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121872 + ... + 121897.

It is an arithmetic number, because the mean of its divisors is an integer number (853195).

Almost surely, 2^3168997 is an apocalyptic number.

It is an amenable number.

3168997 is a deficient number, since it is larger than the sum of its proper divisors (243783).

3168997 is a wasteful number, since it uses less digits than its factorization.

3168997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243782.

The product of its digits is 81648, while the sum is 43.

The square root of 3168997 is about 1780.1676887305. The cubic root of 3168997 is about 146.8838145910.

The spelling of 3168997 in words is "three million, one hundred sixty-eight thousand, nine hundred ninety-seven".