63636946 has 8 divisors (see below), whose sum is σ = 95795964. Its totient is φ = 31704960.

The previous prime is 63636917. The next prime is 63636959. The reversal of 63636946 is 64963636.

63636946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 59985025 + 3651921 = 7745^2 + 1911^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56055 + ... + 57178.

Almost surely, 2^63636946 is an apocalyptic number.

63636946 is a deficient number, since it is larger than the sum of its proper divisors (32159018).

63636946 is a wasteful number, since it uses less digits than its factorization.

63636946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113516.

The product of its digits is 419904, while the sum is 43.

The square root of 63636946 is about 7977.2768536638. The cubic root of 63636946 is about 399.2422027650.

The spelling of 63636946 in words is "sixty-three million, six hundred thirty-six thousand, nine hundred forty-six".