1426417 has 4 divisors (see below), whose sum is σ = 1439856. Its totient is φ = 1412980.

The previous prime is 1426393. The next prime is 1426427. The reversal of 1426417 is 7146241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1426417 - 2⁷ = 1426289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1426391 and 1426400.

It is not an unprimeable number, because it can be changed into a prime (1426427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6559 + ... + 6772.

It is an arithmetic number, because the mean of its divisors is an integer number (359964).

2^1426417 is an apocalyptic number.

It is an amenable number.

1426417 is a deficient number, since it is larger than the sum of its proper divisors (13439).

1426417 is a wasteful number, since it uses less digits than its factorization.

1426417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13438.

The product of its digits is 1344, while the sum is 25.

The square root of 1426417 is about 1194.3270071467. The cubic root of 1426417 is about 112.5681430784.

The spelling of 1426417 in words is "one million, four hundred twenty-six thousand, four hundred seventeen".