863466538 has 8 divisors (see below), whose sum is σ = 1412945280. Its totient is φ = 392484780.

The previous prime is 863466511. The next prime is 863466547. The reversal of 863466538 is 835664368.

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

It is a junction number, because it is equal to n+sod(n) for n = 863466491 and 863466500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19624218 + ... + 19624261.

It is an arithmetic number, because the mean of its divisors is an integer number (176618160).

Almost surely, 2^863466538 is an apocalyptic number.

863466538 is a deficient number, since it is larger than the sum of its proper divisors (549478742).

863466538 is a wasteful number, since it uses less digits than its factorization.

863466538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39248492.

The product of its digits is 2488320, while the sum is 49.

The square root of 863466538 is about 29384.8011393645. The cubic root of 863466538 is about 952.2445681059.

The spelling of 863466538 in words is "eight hundred sixty-three million, four hundred sixty-six thousand, five hundred thirty-eight".