1430456 has 8 divisors (see below), whose sum is σ = 2682120. Its totient is φ = 715224.

The previous prime is 1430441. The next prime is 1430461. The reversal of 1430456 is 6540341.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89396 + ... + 89411.

It is an arithmetic number, because the mean of its divisors is an integer number (335265).

2^1430456 is an apocalyptic number.

It is an amenable number.

1430456 is a deficient number, since it is larger than the sum of its proper divisors (1251664).

1430456 is a wasteful number, since it uses less digits than its factorization.

1430456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178813 (or 178809 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1430456 is about 1196.0167222911. The cubic root of 1430456 is about 112.6742911560.

Adding to 1430456 its reverse (6540341), we get a palindrome (7970797).

The spelling of 1430456 in words is "one million, four hundred thirty thousand, four hundred fifty-six".