63933389 has 8 divisors (see below), whose sum is σ = 70453152. Its totient is φ = 57642480.

The previous prime is 63933349. The next prime is 63933407. The reversal of 63933389 is 98333936.

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

It is a cyclic number.

It is not a de Polignac number, because 63933389 - 2¹² = 63929293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63933349) 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, 56627 + ... + 57744.

It is an arithmetic number, because the mean of its divisors is an integer number (8806644).

Almost surely, 2^63933389 is an apocalyptic number.

It is an amenable number.

63933389 is a deficient number, since it is larger than the sum of its proper divisors (6519763).

63933389 is a wasteful number, since it uses less digits than its factorization.

63933389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114427.

The product of its digits is 314928, while the sum is 44.

The square root of 63933389 is about 7995.8357286778. The cubic root of 63933389 is about 399.8611789107.

The spelling of 63933389 in words is "sixty-three million, nine hundred thirty-three thousand, three hundred eighty-nine".