430638 has 16 divisors (see below), whose sum is σ = 927696. Its totient is φ = 132480.

The previous prime is 430603. The next prime is 430649. The reversal of 430638 is 836034.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2683 + ... + 2838.

It is an arithmetic number, because the mean of its divisors is an integer number (57981).

2⁴³⁰⁶³⁸ is an apocalyptic number.

430638 is an abundant number, since it is smaller than the sum of its proper divisors (497058).

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

430638 is a wasteful number, since it uses less digits than its factorization.

430638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5539.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 430638 is about 656.2301425567. The cubic root of 430638 is about 75.5157343346.

It can be divided in two parts, 43063 and 8, that added together give a triangular number (43071 = T₂₉₃).

The spelling of 430638 in words is "four hundred thirty thousand, six hundred thirty-eight".