863434 has 16 divisors (see below), whose sum is σ = 1522080. Its totient is φ = 362160.

The previous prime is 863393. The next prime is 863479. The reversal of 863434 is 434368.

863434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1224 + ... + 1795.

It is an arithmetic number, because the mean of its divisors is an integer number (95130).

2⁸⁶³⁴³⁴ is an apocalyptic number.

863434 is a deficient number, since it is larger than the sum of its proper divisors (658646).

863434 is a wasteful number, since it uses less digits than its factorization.

863434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045.

The product of its digits is 6912, while the sum is 28.

The square root of 863434 is about 929.2114936870. The cubic root of 863434 is about 95.2232606815.

It can be divided in two parts, 8634 and 34, that added together give a palindrome (8668).

The spelling of 863434 in words is "eight hundred sixty-three thousand, four hundred thirty-four".