857451382 has 16 divisors (see below), whose sum is σ = 1328716800. Its totient is φ = 414567720.

The previous prime is 857451373. The next prime is 857451383. The reversal of 857451382 is 283154758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857451383) 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, 85719 + ... + 95197.

It is an arithmetic number, because the mean of its divisors is an integer number (83044800).

Almost surely, 2^857451382 is an apocalyptic number.

857451382 is a deficient number, since it is larger than the sum of its proper divisors (471265418).

857451382 is a wasteful number, since it uses less digits than its factorization.

857451382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10971.

The product of its digits is 268800, while the sum is 43.

The square root of 857451382 is about 29282.2707794324. The cubic root of 857451382 is about 950.0282104273.

The spelling of 857451382 in words is "eight hundred fifty-seven million, four hundred fifty-one thousand, three hundred eighty-two".