1426805 has 16 divisors (see below), whose sum is σ = 1883520. Its totient is φ = 1032768.

The previous prime is 1426801. The next prime is 1426807. The reversal of 1426805 is 5086241.

It is a cyclic number.

It is not a de Polignac number, because 1426805 - 2² = 1426801 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1859 + ... + 2511.

It is an arithmetic number, because the mean of its divisors is an integer number (117720).

2^1426805 is an apocalyptic number.

It is an amenable number.

1426805 is a deficient number, since it is larger than the sum of its proper divisors (456715).

1426805 is a wasteful number, since it uses less digits than its factorization.

1426805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1426805 is about 1194.4894306774. The cubic root of 1426805 is about 112.5783487149.

The spelling of 1426805 in words is "one million, four hundred twenty-six thousand, eight hundred five".