63946860 has 96 divisors (see below), whose sum is σ = 192471552. Its totient is φ = 15805440.

The previous prime is 63946853. The next prime is 63946867. The reversal of 63946860 is 6864936.

It is an interprime number because it is at equal distance from previous prime (63946853) and next prime (63946867).

It is not an unprimeable number, because it can be changed into a prime (63946867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71979 + ... + 72861.

It is an arithmetic number, because the mean of its divisors is an integer number (2004912).

Almost surely, 2^63946860 is an apocalyptic number.

63946860 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 63946860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96235776).

63946860 is an abundant number, since it is smaller than the sum of its proper divisors (128524692).

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

63946860 is a wasteful number, since it uses less digits than its factorization.

63946860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983 (or 981 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 63946860 is about 7996.6780602948. The cubic root of 63946860 is about 399.8892610117.

The spelling of 63946860 in words is "sixty-three million, nine hundred forty-six thousand, eight hundred sixty".