63486320 has 40 divisors (see below), whose sum is σ = 148048560. Its totient is φ = 25318400.

The previous prime is 63486317. The next prime is 63486323. The reversal of 63486320 is 2368436.

63486320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (63486317) and next prime (63486323).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63486323) by changing a digit.

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, 31091 + ... + 33069.

It is an arithmetic number, because the mean of its divisors is an integer number (3701214).

Almost surely, 2^63486320 is an apocalyptic number.

It is an amenable number.

63486320 is an abundant number, since it is smaller than the sum of its proper divisors (84562240).

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

63486320 is a wasteful number, since it uses less digits than its factorization.

63486320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393 (or 2387 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 63486320 is about 7967.8303194784. The cubic root of 63486320 is about 398.9269573561.

The spelling of 63486320 in words is "sixty-three million, four hundred eighty-six thousand, three hundred twenty".