4446405 has 12 divisors (see below), whose sum is σ = 7707180. Its totient is φ = 2371392.

The previous prime is 4446389. The next prime is 4446413. The reversal of 4446405 is 5046444.

It can be written as a sum of positive squares in 2 ways, for example, as 690561 + 3755844 = 831^2 + 1938^2 .

It is not a de Polignac number, because 4446405 - 2⁴ = 4446389 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 49360 + ... + 49449.

It is an arithmetic number, because the mean of its divisors is an integer number (642265).

Almost surely, 2^4446405 is an apocalyptic number.

4446405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4446405 is a deficient number, since it is larger than the sum of its proper divisors (3260775).

4446405 is a wasteful number, since it uses less digits than its factorization.

4446405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98820 (or 98817 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 4446405 is about 2108.6500420885. The cubic root of 4446405 is about 164.4383104636.

It can be divided in two parts, 4446 and 405, that added together give a triangular number (4851 = T₉₈).

The spelling of 4446405 in words is "four million, four hundred forty-six thousand, four hundred five".