4494789 has 24 divisors (see below), whose sum is σ = 7170072. Its totient is φ = 2695680.

The previous prime is 4494781. The next prime is 4494793. The reversal of 4494789 is 9874944.

It can be written as a sum of positive squares in 4 ways, for example, as 562500 + 3932289 = 750^2 + 1983^2 .

It is not a de Polignac number, because 4494789 - 2³ = 4494781 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4494781) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4329 + ... + 5265.

It is an arithmetic number, because the mean of its divisors is an integer number (298753).

Almost surely, 2^4494789 is an apocalyptic number.

It is an amenable number.

4494789 is a deficient number, since it is larger than the sum of its proper divisors (2675283).

4494789 is a wasteful number, since it uses less digits than its factorization.

4494789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997 (or 994 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 4494789 is about 2120.0917432979. The cubic root of 4494789 is about 165.0326106343.

The spelling of 4494789 in words is "four million, four hundred ninety-four thousand, seven hundred eighty-nine".