863229438 has 12 divisors (see below), whose sum is σ = 1870330488. Its totient is φ = 287743140.

The previous prime is 863229427. The next prime is 863229439. The reversal of 863229438 is 834922368.

863229438 is a `hidden beast` number, since 8 + 632 + 2 + 9 + 4 + 3 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 863229393 and 863229402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863229439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23978578 + ... + 23978613.

It is an arithmetic number, because the mean of its divisors is an integer number (155860874).

Almost surely, 2^863229438 is an apocalyptic number.

863229438 is an abundant number, since it is smaller than the sum of its proper divisors (1007101050).

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

863229438 is a wasteful number, since it uses less digits than its factorization.

863229438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47957199 (or 47957196 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 863229438 is about 29380.7664637940. The cubic root of 863229438 is about 952.1574009157.

The spelling of 863229438 in words is "eight hundred sixty-three million, two hundred twenty-nine thousand, four hundred thirty-eight".