1426369 has 4 divisors (see below), whose sum is σ = 1630144. Its totient is φ = 1222596.

The previous prime is 1426367. The next prime is 1426379. The reversal of 1426369 is 9636241.

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 1426369 - 2¹ = 1426367 is a prime.

It is a super-2 number, since 2×1426369² = 4069057048322, which contains 22 as substring.

It is a Duffinian number.

1426369 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1426369.

It is not an unprimeable number, because it can be changed into a prime (1426361) 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, 101877 + ... + 101890.

It is an arithmetic number, because the mean of its divisors is an integer number (407536).

2^1426369 is an apocalyptic number.

It is an amenable number.

1426369 is a deficient number, since it is larger than the sum of its proper divisors (203775).

1426369 is an equidigital number, since it uses as much as digits as its factorization.

1426369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203774.

The product of its digits is 7776, while the sum is 31.

The square root of 1426369 is about 1194.3069119787. The cubic root of 1426369 is about 112.5668803968.

The spelling of 1426369 in words is "one million, four hundred twenty-six thousand, three hundred sixty-nine".