4172886 has 12 divisors (see below), whose sum is σ = 9041292. Its totient is φ = 1390956.

The previous prime is 4172881. The next prime is 4172887. The reversal of 4172886 is 6882714.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4172886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4172881) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115896 + ... + 115931.

It is an arithmetic number, because the mean of its divisors is an integer number (753441).

Almost surely, 2^4172886 is an apocalyptic number.

4172886 is an abundant number, since it is smaller than the sum of its proper divisors (4868406).

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

4172886 is a wasteful number, since it uses less digits than its factorization.

4172886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231835 (or 231832 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 4172886 is about 2042.7643035847. The cubic root of 4172886 is about 160.9949203032.

It can be divided in two parts, 41728 and 86, that added together give a palindrome (41814).

The spelling of 4172886 in words is "four million, one hundred seventy-two thousand, eight hundred eighty-six".