1420443 has 8 divisors (see below), whose sum is σ = 2104400. Its totient is φ = 946944.

The previous prime is 1420429. The next prime is 1420483. The reversal of 1420443 is 3440241.

It is not a de Polignac number, because 1420443 - 2¹⁴ = 1404059 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (1420403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26278 + ... + 26331.

It is an arithmetic number, because the mean of its divisors is an integer number (263050).

2^1420443 is an apocalyptic number.

1420443 is a deficient number, since it is larger than the sum of its proper divisors (683957).

1420443 is an equidigital number, since it uses as much as digits as its factorization.

1420443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52618 (or 52612 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1420443 is about 1191.8233929572. The cubic root of 1420443 is about 112.4107736957.

Adding to 1420443 its reverse (3440241), we get a palindrome (4860684).

The spelling of 1420443 in words is "one million, four hundred twenty thousand, four hundred forty-three".