4994389 has 4 divisors (see below), whose sum is σ = 5000940. Its totient is φ = 4987840.

The previous prime is 4994387. The next prime is 4994393. The reversal of 4994389 is 9834994.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1034289 + 3960100 = 1017^2 + 1990^2 .

It is a cyclic number.

It is not a de Polignac number, because 4994389 - 2¹ = 4994387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4994387) 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 3 ways as a sum of consecutive naturals, for example, 1954 + ... + 3715.

It is an arithmetic number, because the mean of its divisors is an integer number (1250235).

Almost surely, 2^4994389 is an apocalyptic number.

It is an amenable number.

4994389 is a deficient number, since it is larger than the sum of its proper divisors (6551).

4994389 is an equidigital number, since it uses as much as digits as its factorization.

4994389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6550.

The product of its digits is 279936, while the sum is 46.

The square root of 4994389 is about 2234.8129675657. The cubic root of 4994389 is about 170.9336062255.

The spelling of 4994389 in words is "four million, nine hundred ninety-four thousand, three hundred eighty-nine".