63894416 has 40 divisors (see below), whose sum is σ = 132298080. Its totient is φ = 29804544.

The previous prime is 63894407. The next prime is 63894427. The reversal of 63894416 is 61449836.

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, 18800 + ... + 21936.

It is an arithmetic number, because the mean of its divisors is an integer number (3307452).

Almost surely, 2^63894416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63894416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66149040).

63894416 is an abundant number, since it is smaller than the sum of its proper divisors (68403664).

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

63894416 is a wasteful number, since it uses less digits than its factorization.

63894416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231 (or 3225 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 63894416 is about 7993.3982760776. The cubic root of 63894416 is about 399.7799122590.

The spelling of 63894416 in words is "sixty-three million, eight hundred ninety-four thousand, four hundred sixteen".