3086172 has 36 divisors (see below), whose sum is σ = 7938840. Its totient is φ = 1010592.

The previous prime is 3086159. The next prime is 3086177. The reversal of 3086172 is 2716803.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3086172² = 19048915227168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3086177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1398 + ... + 2850.

Almost surely, 2^3086172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3086172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3969420).

3086172 is an abundant number, since it is smaller than the sum of its proper divisors (4852668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3086172 is a wasteful number, since it uses less digits than its factorization.

3086172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522 (or 1517 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 3086172 is about 1756.7504091361. The cubic root of 3086172 is about 145.5928482379.

The spelling of 3086172 in words is "three million, eighty-six thousand, one hundred seventy-two".