863604343 has 8 divisors (see below), whose sum is σ = 988479360. Its totient is φ = 739105080.

The previous prime is 863604337. The next prime is 863604347. The reversal of 863604343 is 343406368.

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

It is not a de Polignac number, because 863604343 - 2¹⁷ = 863473271 is a prime.

It is a super-2 number, since 2×863604343² = 1491624922496923298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863604347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88993 + ... + 98218.

It is an arithmetic number, because the mean of its divisors is an integer number (123559920).

Almost surely, 2^863604343 is an apocalyptic number.

863604343 is a deficient number, since it is larger than the sum of its proper divisors (124875017).

863604343 is a wasteful number, since it uses less digits than its factorization.

863604343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187877.

The product of its (nonzero) digits is 124416, while the sum is 37.

The square root of 863604343 is about 29387.1458804696. The cubic root of 863604343 is about 952.2952232564.

The spelling of 863604343 in words is "eight hundred sixty-three million, six hundred four thousand, three hundred forty-three".