857214430 has 16 divisors (see below), whose sum is σ = 1546557264. Its totient is φ = 342092160.

The previous prime is 857214427. The next prime is 857214437. The reversal of 857214430 is 34412758.

857214430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857214437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94656 + ... + 103315.

It is an arithmetic number, because the mean of its divisors is an integer number (96659829).

Almost surely, 2^857214430 is an apocalyptic number.

857214430 is a deficient number, since it is larger than the sum of its proper divisors (689342834).

857214430 is a wasteful number, since it uses less digits than its factorization.

857214430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198411.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 857214430 is about 29278.2245021791. The cubic root of 857214430 is about 949.9406906648.

The spelling of 857214430 in words is "eight hundred fifty-seven million, two hundred fourteen thousand, four hundred thirty".