4468405 has 4 divisors (see below), whose sum is σ = 5362092. Its totient is φ = 3574720.

The previous prime is 4468393. The next prime is 4468421. The reversal of 4468405 is 5048644.

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 2053489 + 2414916 = 1433^2 + 1554^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4468405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 446836 + ... + 446845.

It is an arithmetic number, because the mean of its divisors is an integer number (1340523).

Almost surely, 2^4468405 is an apocalyptic number.

It is an amenable number.

4468405 is a deficient number, since it is larger than the sum of its proper divisors (893687).

4468405 is an equidigital number, since it uses as much as digits as its factorization.

4468405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893686.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 4468405 is about 2113.8602129753. The cubic root of 4468405 is about 164.7090679781.

The spelling of 4468405 in words is "four million, four hundred sixty-eight thousand, four hundred five".