63953384 has 32 divisors (see below), whose sum is σ = 133863840. Its totient is φ = 28392000.

The previous prime is 63953359. The next prime is 63953387. The reversal of 63953384 is 48335936.

It is not an unprimeable number, because it can be changed into a prime (63953387) by changing a digit.

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, 4667 + ... + 12234.

It is an arithmetic number, because the mean of its divisors is an integer number (4183245).

Almost surely, 2^63953384 is an apocalyptic number.

It is an amenable number.

63953384 is an abundant number, since it is smaller than the sum of its proper divisors (69910456).

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

63953384 is a wasteful number, since it uses less digits than its factorization.

63953384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16961 (or 16957 counting only the distinct ones).

The product of its digits is 233280, while the sum is 41.

The square root of 63953384 is about 7997.0859692766. The cubic root of 63953384 is about 399.9028597447.

It can be divided in two parts, 6395 and 3384, that added together give a palindrome (9779).

The spelling of 63953384 in words is "sixty-three million, nine hundred fifty-three thousand, three hundred eighty-four".