4766389 has 4 divisors (see below), whose sum is σ = 4831756. Its totient is φ = 4701024.

The previous prime is 4766387. The next prime is 4766423. The reversal of 4766389 is 9836674.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9836674 = 2 ⋅4918337.

It can be written as a sum of positive squares in 2 ways, for example, as 2640625 + 2125764 = 1625^2 + 1458^2 .

It is a cyclic number.

It is not a de Polignac number, because 4766389 - 2¹ = 4766387 is a prime.

It is a super-4 number, since 4×4766389⁴ (a number of 28 digits) contains 4444 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4766381) 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, 32574 + ... + 32719.

It is an arithmetic number, because the mean of its divisors is an integer number (1207939).

Almost surely, 2^4766389 is an apocalyptic number.

It is an amenable number.

4766389 is a deficient number, since it is larger than the sum of its proper divisors (65367).

4766389 is an equidigital number, since it uses as much as digits as its factorization.

4766389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65366.

The product of its digits is 217728, while the sum is 43.

The square root of 4766389 is about 2183.2061286099. The cubic root of 4766389 is about 168.2918796944.

The spelling of 4766389 in words is "four million, seven hundred sixty-six thousand, three hundred eighty-nine".