3185997 has 8 divisors (see below), whose sum is σ = 4256256. Its totient is φ = 2119872.

The previous prime is 3185981. The next prime is 3186013. The reversal of 3185997 is 7995813.

It is a happy number.

3185997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3185981) and next prime (3186013).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3185997 - 2⁴ = 3185981 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3185947) 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 7 ways as a sum of consecutive naturals, for example, 2388 + ... + 3474.

It is an arithmetic number, because the mean of its divisors is an integer number (532032).

Almost surely, 2^3185997 is an apocalyptic number.

It is an amenable number.

3185997 is a deficient number, since it is larger than the sum of its proper divisors (1070259).

3185997 is a wasteful number, since it uses less digits than its factorization.

3185997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067.

The product of its digits is 68040, while the sum is 42.

The square root of 3185997 is about 1784.9361333112. The cubic root of 3185997 is about 147.1459977605.

The spelling of 3185997 in words is "three million, one hundred eighty-five thousand, nine hundred ninety-seven".