855463 has 4 divisors (see below), whose sum is σ = 977680. Its totient is φ = 733248.

The previous prime is 855461. The next prime is 855467. The reversal of 855463 is 364558.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364558 = 2 ⋅182279.

It is a cyclic number.

It is not a de Polignac number, because 855463 - 2¹ = 855461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855461) 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 3 ways as a sum of consecutive naturals, for example, 61098 + ... + 61111.

It is an arithmetic number, because the mean of its divisors is an integer number (244420).

2⁸⁵⁵⁴⁶³ is an apocalyptic number.

855463 is a deficient number, since it is larger than the sum of its proper divisors (122217).

855463 is a wasteful number, since it uses less digits than its factorization.

855463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122216.

The product of its digits is 14400, while the sum is 31.

The square root of 855463 is about 924.9124282871. The cubic root of 855463 is about 94.9293287883.

The spelling of 855463 in words is "eight hundred fifty-five thousand, four hundred sixty-three".