906886171 has 4 divisors (see below), whose sum is σ = 915865344. Its totient is φ = 897907000.

The previous prime is 906886157. The next prime is 906886177. The reversal of 906886171 is 171688609.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 171688609 = 13103².

It is a cyclic number.

It is not a de Polignac number, because 906886171 - 2⁹ = 906885659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (906886177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4489435 + ... + 4489636.

It is an arithmetic number, because the mean of its divisors is an integer number (228966336).

Almost surely, 2^906886171 is an apocalyptic number.

906886171 is a deficient number, since it is larger than the sum of its proper divisors (8979173).

906886171 is a wasteful number, since it uses less digits than its factorization.

906886171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8979172.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 906886171 is about 30114.5508184997. The cubic root of 906886171 is about 967.9455476023.

The spelling of 906886171 in words is "nine hundred six million, eight hundred eighty-six thousand, one hundred seventy-one".