863430 has 32 divisors (see below), whose sum is σ = 2195424. Its totient is φ = 216576.

The previous prime is 863393. The next prime is 863479. The reversal of 863430 is 34368.

863430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×863430³ = 1931090633386821000, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 863430.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 863430.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337 + ... + 1356.

It is an arithmetic number, because the mean of its divisors is an integer number (68607).

2⁸⁶³⁴³⁰ is an apocalyptic number.

863430 is an abundant number, since it is smaller than the sum of its proper divisors (1331994).

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

863430 is a wasteful number, since it uses less digits than its factorization.

863430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720.

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

The square root of 863430 is about 929.2093413220. The cubic root of 863430 is about 95.2231136355.

Adding to 863430 its reverse (34368), we get a palindrome (897798).

The spelling of 863430 in words is "eight hundred sixty-three thousand, four hundred thirty".