857146414 has 4 divisors (see below), whose sum is σ = 1285719624. Its totient is φ = 428573206.

The previous prime is 857146399. The next prime is 857146457. The reversal of 857146414 is 414641758.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214286602 + ... + 214286605.

It is an arithmetic number, because the mean of its divisors is an integer number (321429906).

Almost surely, 2^857146414 is an apocalyptic number.

857146414 is a deficient number, since it is larger than the sum of its proper divisors (428573210).

857146414 is a wasteful number, since it uses less digits than its factorization.

857146414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428573209.

The product of its digits is 107520, while the sum is 40.

The square root of 857146414 is about 29277.0629332930. The cubic root of 857146414 is about 949.9155655337.

The spelling of 857146414 in words is "eight hundred fifty-seven million, one hundred forty-six thousand, four hundred fourteen".