407443 has 4 divisors (see below), whose sum is σ = 416160. Its totient is φ = 398728.

The previous prime is 407437. The next prime is 407471. The reversal of 407443 is 344704.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 407443 - 2¹⁷ = 276371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (407483) 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 3 ways as a sum of consecutive naturals, for example, 4288 + ... + 4381.

It is an arithmetic number, because the mean of its divisors is an integer number (104040).

2⁴⁰⁷⁴⁴³ is an apocalyptic number.

407443 is a deficient number, since it is larger than the sum of its proper divisors (8717).

407443 is an equidigital number, since it uses as much as digits as its factorization.

407443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8716.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 407443 is about 638.3126193332. The cubic root of 407443 is about 74.1348284560.

The spelling of 407443 in words is "four hundred seven thousand, four hundred forty-three", and thus it is an iban number.