863038434 has 16 divisors (see below), whose sum is σ = 1785597120. Its totient is φ = 277759440.

The previous prime is 863038433. The next prime is 863038447. The reversal of 863038434 is 434830368.

It is a super-2 number, since 2×863038434² = 1489670677122344712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 863038392 and 863038401.

It is not an unprimeable number, because it can be changed into a prime (863038433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2479822 + ... + 2480169.

It is an arithmetic number, because the mean of its divisors is an integer number (111599820).

Almost surely, 2^863038434 is an apocalyptic number.

863038434 is an abundant number, since it is smaller than the sum of its proper divisors (922558686).

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

863038434 is a wasteful number, since it uses less digits than its factorization.

863038434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4960025.

The product of its (nonzero) digits is 165888, while the sum is 39.

The square root of 863038434 is about 29377.5157901413. The cubic root of 863038434 is about 952.0871688007.

The spelling of 863038434 in words is "eight hundred sixty-three million, thirty-eight thousand, four hundred thirty-four".