863672 has 16 divisors (see below), whose sum is σ = 1654560. Its totient is φ = 422464.

The previous prime is 863671. The next prime is 863689. The reversal of 863672 is 276368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863671) 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, 773 + ... + 1524.

It is an arithmetic number, because the mean of its divisors is an integer number (103410).

2⁸⁶³⁶⁷² is an apocalyptic number.

It is an amenable number.

863672 is a deficient number, since it is larger than the sum of its proper divisors (790888).

863672 is a wasteful number, since it uses less digits than its factorization.

863672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350 (or 2346 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 863672 is about 929.3395504335. The cubic root of 863672 is about 95.2320091031.

The spelling of 863672 in words is "eight hundred sixty-three thousand, six hundred seventy-two".