857427346 has 8 divisors (see below), whose sum is σ = 1307225484. Its totient is φ = 421685520.

The previous prime is 857427323. The next prime is 857427359. The reversal of 857427346 is 643724758.

857427346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 808776721 + 48650625 = 28439^2 + 6975^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 857427296 and 857427305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3513925 + ... + 3514168.

Almost surely, 2^857427346 is an apocalyptic number.

857427346 is a deficient number, since it is larger than the sum of its proper divisors (449798138).

857427346 is a wasteful number, since it uses less digits than its factorization.

857427346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7028156.

The product of its digits is 1128960, while the sum is 46.

The square root of 857427346 is about 29281.8603575661. The cubic root of 857427346 is about 950.0193333092.

The spelling of 857427346 in words is "eight hundred fifty-seven million, four hundred twenty-seven thousand, three hundred forty-six".