63996441 has 8 divisors (see below), whose sum is σ = 85413984. Its totient is φ = 42621600.

The previous prime is 63996437. The next prime is 63996451. The reversal of 63996441 is 14469936.

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

It is not a de Polignac number, because 63996441 - 2² = 63996437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63996393 and 63996402.

It is not an unprimeable number, because it can be changed into a prime (63996451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6996 + ... + 13301.

It is an arithmetic number, because the mean of its divisors is an integer number (10676748).

Almost surely, 2^63996441 is an apocalyptic number.

It is an amenable number.

63996441 is a deficient number, since it is larger than the sum of its proper divisors (21417543).

63996441 is a wasteful number, since it uses less digits than its factorization.

63996441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21351.

The product of its digits is 139968, while the sum is 42.

The square root of 63996441 is about 7999.7775594075. Note that the first 3 decimals coincide. The cubic root of 63996441 is about 399.9925852792.

The spelling of 63996441 in words is "sixty-three million, nine hundred ninety-six thousand, four hundred forty-one".