63863494 has 8 divisors (see below), whose sum is σ = 95854320. Its totient is φ = 31912056.

The previous prime is 63863489. The next prime is 63863531. The reversal of 63863494 is 49436836.

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

It is a self number, because there is not a number n which added to its sum of digits gives 63863494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5389 + ... + 12520.

It is an arithmetic number, because the mean of its divisors is an integer number (11981790).

Almost surely, 2^63863494 is an apocalyptic number.

63863494 is a deficient number, since it is larger than the sum of its proper divisors (31990826).

63863494 is a wasteful number, since it uses less digits than its factorization.

63863494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19694.

The product of its digits is 373248, while the sum is 43.

The square root of 63863494 is about 7991.4638208528. The cubic root of 63863494 is about 399.7154100694.

The spelling of 63863494 in words is "sixty-three million, eight hundred sixty-three thousand, four hundred ninety-four".