1430427 has 8 divisors (see below), whose sum is σ = 1920016. Its totient is φ = 947232.

The previous prime is 1430419. The next prime is 1430441. The reversal of 1430427 is 7240341.

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

It is not a de Polignac number, because 1430427 - 2³ = 1430419 is a prime.

It is a super-2 number, since 2×1430427² = 4092242804658, which contains 22 as substring.

It is a d-powerful number, because it can be written as 1 + 4⁹ + 3² + 0 + 4¹⁰ + 2¹¹ + 7⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1430027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1048 + ... + 1989.

It is an arithmetic number, because the mean of its divisors is an integer number (240002).

2^1430427 is an apocalyptic number.

1430427 is a deficient number, since it is larger than the sum of its proper divisors (489589).

1430427 is a wasteful number, since it uses less digits than its factorization.

1430427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 1430427 is about 1196.0045986534. The cubic root of 1430427 is about 112.6735297260.

Adding to 1430427 its reverse (7240341), we get a palindrome (8670768).

The spelling of 1430427 in words is "one million, four hundred thirty thousand, four hundred twenty-seven".