855454 has 4 divisors (see below), whose sum is σ = 1283184. Its totient is φ = 427726.

The previous prime is 855431. The next prime is 855461. The reversal of 855454 is 454558.

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

It is a super-2 number, since 2×855454² = 1463603092232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) 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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213862 + ... + 213865.

It is an arithmetic number, because the mean of its divisors is an integer number (320796).

2⁸⁵⁵⁴⁵⁴ is an apocalyptic number.

855454 is a deficient number, since it is larger than the sum of its proper divisors (427730).

855454 is a wasteful number, since it uses less digits than its factorization.

855454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427729.

The product of its digits is 16000, while the sum is 31.

The square root of 855454 is about 924.9075629489. The cubic root of 855454 is about 94.9289958820.

The spelling of 855454 in words is "eight hundred fifty-five thousand, four hundred fifty-four".