4994728 has 16 divisors (see below), whose sum is σ = 9688500. Its totient is φ = 2411136.

The previous prime is 4994723. The next prime is 4994729. The reversal of 4994728 is 8274994.

It can be written as a sum of positive squares in 2 ways, for example, as 4848804 + 145924 = 2202^2 + 382^2 .

It is not an unprimeable number, because it can be changed into a prime (4994723) 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, 10533 + ... + 10996.

Almost surely, 2^4994728 is an apocalyptic number.

It is an amenable number.

4994728 is a deficient number, since it is larger than the sum of its proper divisors (4693772).

4994728 is a wasteful number, since it uses less digits than its factorization.

4994728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21564 (or 21560 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 4994728 is about 2234.8888115519. Note that the first 4 decimals coincide. The cubic root of 4994728 is about 170.9374735776.

The spelling of 4994728 in words is "four million, nine hundred ninety-four thousand, seven hundred twenty-eight".