4623389 has 4 divisors (see below), whose sum is σ = 4630620. Its totient is φ = 4616160.

The previous prime is 4623379. The next prime is 4623401. The reversal of 4623389 is 9833264.

It is a happy number.

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 2544025 + 2079364 = 1595^2 + 1442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4623389 is a prime.

It is a d-powerful number, because it can be written as 4⁹ + 6⁶ + 2²¹ + 3⁷ + 3¹⁰ + 8⁷ + 9⁵ .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4623329) 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, 2552 + ... + 3969.

It is an arithmetic number, because the mean of its divisors is an integer number (1157655).

Almost surely, 2^4623389 is an apocalyptic number.

It is an amenable number.

4623389 is a deficient number, since it is larger than the sum of its proper divisors (7231).

4623389 is an equidigital number, since it uses as much as digits as its factorization.

4623389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7230.

The product of its digits is 31104, while the sum is 35.

The square root of 4623389 is about 2150.2067342467. The cubic root of 4623389 is about 166.5917454370.

The spelling of 4623389 in words is "four million, six hundred twenty-three thousand, three hundred eighty-nine".