4857172 has 12 divisors (see below), whose sum is σ = 9000180. Its totient is φ = 2285696.

The previous prime is 4857169. The next prime is 4857187. The reversal of 4857172 is 2717584.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1602756 + 3254416 = 1266^2 + 1804^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35647 + ... + 35782.

It is an arithmetic number, because the mean of its divisors is an integer number (750015).

Almost surely, 2^4857172 is an apocalyptic number.

It is an amenable number.

4857172 is a deficient number, since it is larger than the sum of its proper divisors (4143008).

4857172 is a wasteful number, since it uses less digits than its factorization.

4857172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71450 (or 71448 counting only the distinct ones).

The product of its digits is 15680, while the sum is 34.

The square root of 4857172 is about 2203.8992717454. The cubic root of 4857172 is about 169.3536238869.

The spelling of 4857172 in words is "four million, eight hundred fifty-seven thousand, one hundred seventy-two".