4398765 has 16 divisors (see below), whose sum is σ = 8043648. Its totient is φ = 2010816.

The previous prime is 4398743. The next prime is 4398769. The reversal of 4398765 is 5678934.

It is a happy number.

4398765 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4398765 - 2⁷ = 4398637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4398769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20842 + ... + 21051.

It is an arithmetic number, because the mean of its divisors is an integer number (502728).

Almost surely, 2^4398765 is an apocalyptic number.

It is an amenable number.

4398765 is a deficient number, since it is larger than the sum of its proper divisors (3644883).

4398765 is a wasteful number, since it uses less digits than its factorization.

4398765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41908.

The product of its digits is 181440, while the sum is 42.

The square root of 4398765 is about 2097.3232941061. The cubic root of 4398765 is about 163.8489214466.

The spelling of 4398765 in words is "four million, three hundred ninety-eight thousand, seven hundred sixty-five".