3173987 has 2 divisors, whose sum is σ = 3173988. Its totient is φ = 3173986.

The previous prime is 3173953. The next prime is 3174001. The reversal of 3173987 is 7893713.

It is a happy number.

3173987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3173987 - 2⁶ = 3173923 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3173987.

It is not a weakly prime, because it can be changed into another prime (3173927) 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 as a sum of consecutive naturals, namely, 1586993 + 1586994.

It is an arithmetic number, because the mean of its divisors is an integer number (1586994).

Almost surely, 2^3173987 is an apocalyptic number.

3173987 is a deficient number, since it is larger than the sum of its proper divisors (1).

3173987 is an equidigital number, since it uses as much as digits as its factorization.

3173987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 38.

The square root of 3173987 is about 1781.5686907891. The cubic root of 3173987 is about 146.9608700823.

The spelling of 3173987 in words is "three million, one hundred seventy-three thousand, nine hundred eighty-seven".