4618172 has 12 divisors (see below), whose sum is σ = 8703576. Its totient is φ = 2131440.

The previous prime is 4618171. The next prime is 4618177. The reversal of 4618172 is 2718164.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4618171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44354 + ... + 44457.

It is an arithmetic number, because the mean of its divisors is an integer number (725298).

Almost surely, 2^4618172 is an apocalyptic number.

It is an amenable number.

4618172 is a deficient number, since it is larger than the sum of its proper divisors (4085404).

4618172 is a wasteful number, since it uses less digits than its factorization.

4618172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88828 (or 88826 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 4618172 is about 2148.9932526651. The cubic root of 4618172 is about 166.5290615313.

Adding to 4618172 its sum of digits (29), we get a square (4618201 = 2149²).

The spelling of 4618172 in words is "four million, six hundred eighteen thousand, one hundred seventy-two".