4994172 has 18 divisors (see below), whose sum is σ = 12624248. Its totient is φ = 1664712.

The previous prime is 4994153. The next prime is 4994179. The reversal of 4994172 is 2714994.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 138727 = 4994172 / (4 + 9 + 9 + 4 + 1 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4994179) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 69328 + ... + 69399.

Almost surely, 2^4994172 is an apocalyptic number.

It is an amenable number.

4994172 is an abundant number, since it is smaller than the sum of its proper divisors (7630076).

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

4994172 is a wasteful number, since it uses less digits than its factorization.

4994172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138737 (or 138732 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 4994172 is about 2234.7644171143. The cubic root of 4994172 is about 170.9311305720.

The spelling of 4994172 in words is "four million, nine hundred ninety-four thousand, one hundred seventy-two".