868405434 has 32 divisors (see below), whose sum is σ = 1951737984. Its totient is φ = 255583680.

The previous prime is 868405427. The next prime is 868405451. The reversal of 868405434 is 434504868.

868405434 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 15 ways as a sum of consecutive naturals, for example, 240237 + ... + 243824.

It is an arithmetic number, because the mean of its divisors is an integer number (60991812).

Almost surely, 2^868405434 is an apocalyptic number.

868405434 is an abundant number, since it is smaller than the sum of its proper divisors (1083332550).

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

868405434 is a wasteful number, since it uses less digits than its factorization.

868405434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484102.

The product of its (nonzero) digits is 368640, while the sum is 42.

The square root of 868405434 is about 29468.7195853502. The cubic root of 868405434 is about 954.0566817141.

The spelling of 868405434 in words is "eight hundred sixty-eight million, four hundred five thousand, four hundred thirty-four".