430656 has 28 divisors (see below), whose sum is σ = 1139952. Its totient is φ = 143488.

The previous prime is 430649. The next prime is 430663. The reversal of 430656 is 656034.

It is an interprime number because it is at equal distance from previous prime (430649) and next prime (430663).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 930 + ... + 1313.

430656 is a Friedman number, since it can be written as 6*(40^3+6^5), using all its digits and the basic arithmetic operations.

2⁴³⁰⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

430656 is an abundant number, since it is smaller than the sum of its proper divisors (709296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

430656 is a wasteful number, since it uses less digits than its factorization.

430656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258 (or 2248 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 430656 is about 656.2438571141. The cubic root of 430656 is about 75.5167864667.

It can be divided in two parts, 43065 and 6, that added together give a triangular number (43071 = T₂₉₃).

The spelling of 430656 in words is "four hundred thirty thousand, six hundred fifty-six".