1426655 has 8 divisors (see below), whose sum is σ = 1771200. Its totient is φ = 1101856.

The previous prime is 1426643. The next prime is 1426669. The reversal of 1426655 is 5566241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1426655 - 2¹⁸ = 1164511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4775 + ... + 5064.

It is an arithmetic number, because the mean of its divisors is an integer number (221400).

2^1426655 is an apocalyptic number.

1426655 is a deficient number, since it is larger than the sum of its proper divisors (344545).

1426655 is an equidigital number, since it uses as much as digits as its factorization.

1426655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9873.

The product of its digits is 7200, while the sum is 29.

The square root of 1426655 is about 1194.4266406942. The cubic root of 1426655 is about 112.5744034563.

The spelling of 1426655 in words is "one million, four hundred twenty-six thousand, six hundred fifty-five".