63493908 has 24 divisors (see below), whose sum is σ = 148350048. Its totient is φ = 21136416.

The previous prime is 63493891. The next prime is 63493933. The reversal of 63493908 is 80939436.

63493908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63493908² = 8062952706224928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63493908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7135 + ... + 13337.

It is an arithmetic number, because the mean of its divisors is an integer number (6181252).

Almost surely, 2^63493908 is an apocalyptic number.

It is an amenable number.

63493908 is an abundant number, since it is smaller than the sum of its proper divisors (84856140).

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

63493908 is a wasteful number, since it uses less digits than its factorization.

63493908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7063 (or 7061 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 63493908 is about 7968.3064700098. The cubic root of 63493908 is about 398.9428502138.

The spelling of 63493908 in words is "sixty-three million, four hundred ninety-three thousand, nine hundred eight".