63849968 has 40 divisors (see below), whose sum is σ = 152261088. Its totient is φ = 25258752.

The previous prime is 63849953. The next prime is 63849971. The reversal of 63849968 is 86994836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20471 + ... + 23382.

Almost surely, 2^63849968 is an apocalyptic number.

It is an amenable number.

63849968 is an abundant number, since it is smaller than the sum of its proper divisors (88411120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63849968 is a wasteful number, since it uses less digits than its factorization.

63849968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43881 (or 43875 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 53.

The square root of 63849968 is about 7990.6174980411. The cubic root of 63849968 is about 399.6871887699.

The spelling of 63849968 in words is "sixty-three million, eight hundred forty-nine thousand, nine hundred sixty-eight".