863347 has 4 divisors (see below), whose sum is σ = 878040. Its totient is φ = 848656.

The previous prime is 863323. The next prime is 863363. The reversal of 863347 is 743368.

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

It is not a de Polignac number, because 863347 - 2¹¹ = 861299 is a prime.

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 d-powerful number, because it can be written as 8⁵ + 6³ + 3⁵ + 3⁸ + 4² + 7⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (863377) 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, 7258 + ... + 7375.

It is an arithmetic number, because the mean of its divisors is an integer number (219510).

2⁸⁶³³⁴⁷ is an apocalyptic number.

863347 is a deficient number, since it is larger than the sum of its proper divisors (14693).

863347 is a wasteful number, since it uses less digits than its factorization.

863347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14692.

The product of its digits is 12096, while the sum is 31.

The square root of 863347 is about 929.1646786227. The cubic root of 863347 is about 95.2200623278.

The spelling of 863347 in words is "eight hundred sixty-three thousand, three hundred forty-seven".