63893280 has 96 divisors (see below), whose sum is σ = 219578688. Its totient is φ = 15488000.

The previous prime is 63893267. The next prime is 63893303. The reversal of 63893280 is 8239836.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 771 + ... + 11330.

It is an arithmetic number, because the mean of its divisors is an integer number (2287278).

Almost surely, 2^63893280 is an apocalyptic number.

63893280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63893280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109789344).

63893280 is an abundant number, since it is smaller than the sum of its proper divisors (155685408).

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

63893280 is a wasteful number, since it uses less digits than its factorization.

63893280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12130 (or 12122 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 63893280 is about 7993.3272171230. The cubic root of 63893280 is about 399.7775429718. Note that the first 3 decimals are identical.

It can be divided in two parts, 6389 and 3280, that added together give a palindrome (9669).

The spelling of 63893280 in words is "sixty-three million, eight hundred ninety-three thousand, two hundred eighty".