4897789 has 12 divisors (see below), whose sum is σ = 5389716. Its totient is φ = 4447872.

The previous prime is 4897787. The next prime is 4897811. The reversal of 4897789 is 9877984.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 348100 + 4549689 = 590^2 + 2133^2 .

It is not a de Polignac number, because 4897789 - 2¹ = 4897787 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 (4897787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12139 + ... + 12535.

It is an arithmetic number, because the mean of its divisors is an integer number (449143).

Almost surely, 2^4897789 is an apocalyptic number.

It is an amenable number.

4897789 is a deficient number, since it is larger than the sum of its proper divisors (491927).

4897789 is a wasteful number, since it uses less digits than its factorization.

4897789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 483 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 52.

The square root of 4897789 is about 2213.0948917749. The cubic root of 4897789 is about 169.8243745655.

The spelling of 4897789 in words is "four million, eight hundred ninety-seven thousand, seven hundred eighty-nine".