1430426 has 8 divisors (see below), whose sum is σ = 2153844. Its totient is φ = 712480.

The previous prime is 1430419. The next prime is 1430441. The reversal of 1430426 is 6240341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1428025 + 2401 = 1195^2 + 49^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1430426² = 4092237082952, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1430398 and 1430407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635 + ... + 1806.

2^1430426 is an apocalyptic number.

1430426 is a deficient number, since it is larger than the sum of its proper divisors (723418).

1430426 is a wasteful number, since it uses less digits than its factorization.

1430426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1430426 is about 1196.0041805947. The cubic root of 1430426 is about 112.6735034696.

Adding to 1430426 its reverse (6240341), we get a palindrome (7670767).

The spelling of 1430426 in words is "one million, four hundred thirty thousand, four hundred twenty-six".