4912172 has 12 divisors (see below), whose sum is σ = 8725080. Its totient is φ = 2419296.

The previous prime is 4912151. The next prime is 4912207. The reversal of 4912172 is 2712194.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 8897 + ... + 9432.

It is an arithmetic number, because the mean of its divisors is an integer number (727090).

Almost surely, 2^4912172 is an apocalyptic number.

It is an amenable number.

4912172 is a deficient number, since it is larger than the sum of its proper divisors (3812908).

4912172 is a wasteful number, since it uses less digits than its factorization.

4912172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18400 (or 18398 counting only the distinct ones).

The product of its digits is 1008, while the sum is 26.

The square root of 4912172 is about 2216.3420313661. The cubic root of 4912172 is about 169.9904492904.

It can be divided in two parts, 49 and 12172, that added together give a palindrome (12221).

The spelling of 4912172 in words is "four million, nine hundred twelve thousand, one hundred seventy-two".