1426809 has 8 divisors (see below), whose sum is σ = 1913760. Its totient is φ = 945536.

The previous prime is 1426807. The next prime is 1426811. The reversal of 1426809 is 9086241.

It is an interprime number because it is at equal distance from previous prime (1426807) and next prime (1426811).

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 1426809 - 2¹ = 1426807 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 792 + ... + 1865.

It is an arithmetic number, because the mean of its divisors is an integer number (239220).

2^1426809 is an apocalyptic number.

It is an amenable number.

1426809 is a deficient number, since it is larger than the sum of its proper divisors (486951).

1426809 is a wasteful number, since it uses less digits than its factorization.

1426809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1426809 is about 1194.4911050318. The cubic root of 1426809 is about 112.5784539180.

The spelling of 1426809 in words is "one million, four hundred twenty-six thousand, eight hundred nine".