863464 has 32 divisors (see below), whose sum is σ = 1961280. Its totient is φ = 347904.

The previous prime is 863393. The next prime is 863479. The reversal of 863464 is 464368.

863464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499 + ... + 1405.

It is an arithmetic number, because the mean of its divisors is an integer number (61290).

2⁸⁶³⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 863464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (980640).

863464 is an abundant number, since it is smaller than the sum of its proper divisors (1097816).

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

863464 is a wasteful number, since it uses less digits than its factorization.

863464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937 (or 933 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 863464 is about 929.2276362657. The cubic root of 863464 is about 95.2243635123.

The spelling of 863464 in words is "eight hundred sixty-three thousand, four hundred sixty-four".