3172085 has 8 divisors (see below), whose sum is σ = 4350336. Its totient is φ = 2175120.

The previous prime is 3172073. The next prime is 3172093. The reversal of 3172085 is 5802713.

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

It is not a de Polignac number, because 3172085 - 2⁶ = 3172021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45281 + ... + 45350.

It is an arithmetic number, because the mean of its divisors is an integer number (543792).

Almost surely, 2^3172085 is an apocalyptic number.

3172085 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3172085 is a deficient number, since it is larger than the sum of its proper divisors (1178251).

3172085 is an equidigital number, since it uses as much as digits as its factorization.

3172085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90643.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 3172085 is about 1781.0348115632. The cubic root of 3172085 is about 146.9315089636.

Adding to 3172085 its reverse (5802713), we get a palindrome (8974798).

The spelling of 3172085 in words is "three million, one hundred seventy-two thousand, eighty-five".