1426329 has 10 divisors (see below), whose sum is σ = 2130810. Its totient is φ = 950832.

The previous prime is 1426303. The next prime is 1426331. The reversal of 1426329 is 9236241.

It can be written as a sum of positive squares in only one way, i.e., 1327104 + 99225 = 1152^2 + 315^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1426329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1426379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8724 + ... + 8885.

It is an arithmetic number, because the mean of its divisors is an integer number (213081).

2^1426329 is an apocalyptic number.

It is an amenable number.

1426329 is a deficient number, since it is larger than the sum of its proper divisors (704481).

1426329 is an equidigital number, since it uses as much as digits as its factorization.

1426329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17621 (or 17612 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 1426329 is about 1194.2901657470. The cubic root of 1426329 is about 112.5658281405.

The spelling of 1426329 in words is "one million, four hundred twenty-six thousand, three hundred twenty-nine".