4368445 has 4 divisors (see below), whose sum is σ = 5242140. Its totient is φ = 3494752.

The previous prime is 4368431. The next prime is 4368449. The reversal of 4368445 is 5448634.

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 784996 + 3583449 = 886^2 + 1893^2 .

It is a cyclic number.

It is not a de Polignac number, because 4368445 - 2¹⁵ = 4335677 is a prime.

It is an Ulam number.

4368445 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4368445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4368449) 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, 436840 + ... + 436849.

It is an arithmetic number, because the mean of its divisors is an integer number (1310535).

Almost surely, 2^4368445 is an apocalyptic number.

It is an amenable number.

4368445 is a deficient number, since it is larger than the sum of its proper divisors (873695).

4368445 is an equidigital number, since it uses as much as digits as its factorization.

4368445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873694.

The product of its digits is 46080, while the sum is 34.

The square root of 4368445 is about 2090.0825342555. The cubic root of 4368445 is about 163.4715914818.

It can be divided in two parts, 4 and 368445, that added together give a square (368449 = 607²).

The spelling of 4368445 in words is "four million, three hundred sixty-eight thousand, four hundred forty-five".