4423765 has 8 divisors (see below), whose sum is σ = 5357880. Its totient is φ = 3506112.

The previous prime is 4423733. The next prime is 4423807. The reversal of 4423765 is 5673244.

It can be written as a sum of positive squares in 4 ways, for example, as 1661521 + 2762244 = 1289^2 + 1662^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4423765 - 2⁵ = 4423733 is a prime.

It is a d-powerful number, because it can be written as 4 + 4¹¹ + 2⁷ + 3¹¹ + 7⁴ + 6⁶ + 5⁵ .

4423765 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3514 + ... + 4603.

It is an arithmetic number, because the mean of its divisors is an integer number (669735).

Almost surely, 2^4423765 is an apocalyptic number.

It is an amenable number.

4423765 is a deficient number, since it is larger than the sum of its proper divisors (934115).

4423765 is a wasteful number, since it uses less digits than its factorization.

4423765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8231.

The product of its digits is 20160, while the sum is 31.

The square root of 4423765 is about 2103.2748275012. The cubic root of 4423765 is about 164.1587422917.

The spelling of 4423765 in words is "four million, four hundred twenty-three thousand, seven hundred sixty-five".