1426863 has 4 divisors (see below), whose sum is σ = 1902488. Its totient is φ = 951240.

The previous prime is 1426847. The next prime is 1426877. The reversal of 1426863 is 3686241.

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

It is not a de Polignac number, because 1426863 - 2⁴ = 1426847 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1426863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237808 + ... + 237813.

It is an arithmetic number, because the mean of its divisors is an integer number (475622).

2^1426863 is an apocalyptic number.

1426863 is a deficient number, since it is larger than the sum of its proper divisors (475625).

1426863 is an equidigital number, since it uses as much as digits as its factorization.

1426863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475624.

The product of its digits is 6912, while the sum is 30.

The square root of 1426863 is about 1194.5137085861. The cubic root of 1426863 is about 112.5798741407.

The spelling of 1426863 in words is "one million, four hundred twenty-six thousand, eight hundred sixty-three".