4452405 has 8 divisors (see below), whose sum is σ = 7123872. Its totient is φ = 2374608.

The previous prime is 4452391. The next prime is 4452407. The reversal of 4452405 is 5042544.

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

It is not a de Polignac number, because 4452405 - 2⁷ = 4452277 is a prime.

4452405 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4452407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148399 + ... + 148428.

It is an arithmetic number, because the mean of its divisors is an integer number (890484).

Almost surely, 2^4452405 is an apocalyptic number.

It is an amenable number.

4452405 is a deficient number, since it is larger than the sum of its proper divisors (2671467).

4452405 is a wasteful number, since it uses less digits than its factorization.

4452405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296835.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 4452405 is about 2110.0722736437. The cubic root of 4452405 is about 164.5122418312.

Adding to 4452405 its reverse (5042544), we get a palindrome (9494949).

It can be divided in two parts, 445 and 2405, that added together give a triangular number (2850 = T₇₅).

The spelling of 4452405 in words is "four million, four hundred fifty-two thousand, four hundred five".