63909356 has 12 divisors (see below), whose sum is σ = 127818768. Its totient is φ = 27389712.

The previous prime is 63909343. The next prime is 63909367. The reversal of 63909356 is 65390936.

63909356 is an admirable number.

It is a super-4 number, since 4×63909356⁴ (a number of 32 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 1141211 + ... + 1141266.

It is an arithmetic number, because the mean of its divisors is an integer number (10651564).

Almost surely, 2^63909356 is an apocalyptic number.

It is an amenable number.

63909356 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63909356 is a wasteful number, since it uses less digits than its factorization.

63909356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282488 (or 2282486 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 41.

The square root of 63909356 is about 7994.3327426371. The cubic root of 63909356 is about 399.8110691102.

The spelling of 63909356 in words is "sixty-three million, nine hundred nine thousand, three hundred fifty-six".