863483381 has 4 divisors (see below), whose sum is σ = 893258700. Its totient is φ = 833708064.

The previous prime is 863483359. The next prime is 863483399. The reversal of 863483381 is 183384368.

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

It can be written as a sum of positive squares in 2 ways, for example, as 173580625 + 689902756 = 13175^2 + 26266^2 .

It is a cyclic number.

It is not a de Polignac number, because 863483381 - 2⁶ = 863483317 is a prime.

It is a super-2 number, since 2×863483381² = 1491207098526382322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863483281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14887616 + ... + 14887673.

It is an arithmetic number, because the mean of its divisors is an integer number (223314675).

Almost surely, 2^863483381 is an apocalyptic number.

It is an amenable number.

863483381 is a deficient number, since it is larger than the sum of its proper divisors (29775319).

863483381 is a wasteful number, since it uses less digits than its factorization.

863483381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29775318.

The product of its digits is 331776, while the sum is 44.

The square root of 863483381 is about 29385.0877317050. The cubic root of 863483381 is about 952.2507596413.

The spelling of 863483381 in words is "eight hundred sixty-three million, four hundred eighty-three thousand, three hundred eighty-one".