63967396 has 24 divisors (see below), whose sum is σ = 120771000. Its totient is φ = 29532672.

The previous prime is 63967373. The next prime is 63967399. The reversal of 63967396 is 69376936.

It can be written as a sum of positive squares in 4 ways, for example, as 9000000 + 54967396 = 3000^2 + 7414^2 .

It is not an unprimeable number, because it can be changed into a prime (63967399) 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, 5271 + ... + 12478.

It is an arithmetic number, because the mean of its divisors is an integer number (5032125).

Almost surely, 2^63967396 is an apocalyptic number.

It is an amenable number.

63967396 is a deficient number, since it is larger than the sum of its proper divisors (56803604).

63967396 is a wasteful number, since it uses less digits than its factorization.

63967396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17823 (or 17821 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 49.

The square root of 63967396 is about 7997.9619904073. The cubic root of 63967396 is about 399.9320634622.

The spelling of 63967396 in words is "sixty-three million, nine hundred sixty-seven thousand, three hundred ninety-six".