863473 has 8 divisors (see below), whose sum is σ = 939008. Its totient is φ = 789264.

The previous prime is 863393. The next prime is 863479. The reversal of 863473 is 374368.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-863473 is a prime.

It is a d-powerful number, because it can be written as 8³ + 6² + 4² + 3⁹ + 7⁷ + 3⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (863479) 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, 1390 + ... + 1912.

It is an arithmetic number, because the mean of its divisors is an integer number (117376).

2⁸⁶³⁴⁷³ is an apocalyptic number.

It is an amenable number.

863473 is a deficient number, since it is larger than the sum of its proper divisors (75535).

863473 is a wasteful number, since it uses less digits than its factorization.

863473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663.

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

The square root of 863473 is about 929.2324789847. The cubic root of 863473 is about 95.2246943565.

The spelling of 863473 in words is "eight hundred sixty-three thousand, four hundred seventy-three".