63996946 has 16 divisors (see below), whose sum is σ = 105134400. Its totient is φ = 29035728.

The previous prime is 63996931. The next prime is 63996953. The reversal of 63996946 is 64969936.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 63996893 and 63996902.

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, 19326 + ... + 22393.

It is an arithmetic number, because the mean of its divisors is an integer number (6570900).

Almost surely, 2^63996946 is an apocalyptic number.

63996946 is a deficient number, since it is larger than the sum of its proper divisors (41137454).

63996946 is a wasteful number, since it uses less digits than its factorization.

63996946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41793.

The product of its digits is 1889568, while the sum is 52.

The square root of 63996946 is about 7999.8091227229. The cubic root of 63996946 is about 399.9936373988.

The spelling of 63996946 in words is "sixty-three million, nine hundred ninety-six thousand, nine hundred forty-six".