63988242 has 8 divisors (see below), whose sum is σ = 127976496. Its totient is φ = 21329412.

The previous prime is 63988217. The next prime is 63988261. The reversal of 63988242 is 24288936.

It is a sphenic number, since it is the product of 3 distinct primes.

63988242 is an admirable number.

It is a super-2 number, since 2×63988242² = 8188990228501128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63988194 and 63988203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5332348 + ... + 5332359.

It is an arithmetic number, because the mean of its divisors is an integer number (15997062).

Almost surely, 2^63988242 is an apocalyptic number.

63988242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63988242 is a wasteful number, since it uses less digits than its factorization.

63988242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10664712.

The product of its digits is 165888, while the sum is 42.

The square root of 63988242 is about 7999.2650912443. The cubic root of 63988242 is about 399.9755026664.

The spelling of 63988242 in words is "sixty-three million, nine hundred eighty-eight thousand, two hundred forty-two".