857454 has 16 divisors (see below), whose sum is σ = 1846992. Its totient is φ = 263808.

The previous prime is 857453. The next prime is 857459. The reversal of 857454 is 454758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5419 + ... + 5574.

It is an arithmetic number, because the mean of its divisors is an integer number (115437).

2⁸⁵⁷⁴⁵⁴ is an apocalyptic number.

857454 is an abundant number, since it is smaller than the sum of its proper divisors (989538).

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

857454 is a wasteful number, since it uses less digits than its factorization.

857454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11011.

The product of its digits is 22400, while the sum is 33.

The square root of 857454 is about 925.9881208741. The cubic root of 857454 is about 95.0029177313.

The spelling of 857454 in words is "eight hundred fifty-seven thousand, four hundred fifty-four".