859454 has 4 divisors (see below), whose sum is σ = 1289184. Its totient is φ = 429726.

The previous prime is 859447. The next prime is 859459. The reversal of 859454 is 454958.

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

It is a super-2 number, since 2×859454² = 1477322356232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214862 + ... + 214865.

It is an arithmetic number, because the mean of its divisors is an integer number (322296).

2⁸⁵⁹⁴⁵⁴ is an apocalyptic number.

859454 is a deficient number, since it is larger than the sum of its proper divisors (429730).

859454 is a wasteful number, since it uses less digits than its factorization.

859454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429729.

The product of its digits is 28800, while the sum is 35.

The square root of 859454 is about 927.0674193391. The cubic root of 859454 is about 95.0767247218.

Subtracting from 859454 its reverse (454958), we obtain a square (404496 = 636²).

The spelling of 859454 in words is "eight hundred fifty-nine thousand, four hundred fifty-four".