3169997 has 4 divisors (see below), whose sum is σ = 3247356. Its totient is φ = 3092640.

The previous prime is 3169981. The next prime is 3170039. The reversal of 3169997 is 7999613.

It is a happy number.

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 1012036 + 2157961 = 1006^2 + 1469^2 .

It is a cyclic number.

It is not a de Polignac number, because 3169997 - 2⁴ = 3169981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3169097) 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, 38618 + ... + 38699.

It is an arithmetic number, because the mean of its divisors is an integer number (811839).

Almost surely, 2^3169997 is an apocalyptic number.

It is an amenable number.

3169997 is a deficient number, since it is larger than the sum of its proper divisors (77359).

3169997 is an equidigital number, since it uses as much as digits as its factorization.

3169997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77358.

The product of its digits is 91854, while the sum is 44.

The square root of 3169997 is about 1780.4485389924. The cubic root of 3169997 is about 146.8992630506.

The spelling of 3169997 in words is "three million, one hundred sixty-nine thousand, nine hundred ninety-seven".