863480 has 16 divisors (see below), whose sum is σ = 1942920. Its totient is φ = 345376.

The previous prime is 863479. The next prime is 863491. The reversal of 863480 is 84368.

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 in 3 ways as a sum of consecutive naturals, for example, 10754 + ... + 10833.

2⁸⁶³⁴⁸⁰ is an apocalyptic number.

It is an amenable number.

863480 is an abundant number, since it is smaller than the sum of its proper divisors (1079440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

863480 is a wasteful number, since it uses less digits than its factorization.

863480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21598 (or 21594 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 863480 is about 929.2362455264. The cubic root of 863480 is about 95.2249516782.

The spelling of 863480 in words is "eight hundred sixty-three thousand, four hundred eighty".