63937946 has 16 divisors (see below), whose sum is σ = 97886880. Its totient is φ = 31313040.

The previous prime is 63937933. The next prime is 63937963. The reversal of 63937946 is 64973936.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 63937946.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38240 + ... + 39876.

It is an arithmetic number, because the mean of its divisors is an integer number (6117930).

Almost surely, 2^63937946 is an apocalyptic number.

63937946 is a deficient number, since it is larger than the sum of its proper divisors (33948934).

63937946 is a wasteful number, since it uses less digits than its factorization.

63937946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029.

The product of its digits is 734832, while the sum is 47.

The square root of 63937946 is about 7996.1206844319. The cubic root of 63937946 is about 399.8706790281.

The spelling of 63937946 in words is "sixty-three million, nine hundred thirty-seven thousand, nine hundred forty-six".