63391934 has 8 divisors (see below), whose sum is σ = 95235480. Its totient is φ = 31646776.

The previous prime is 63391903. The next prime is 63391949. The reversal of 63391934 is 43919336.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22964 + ... + 25575.

It is an arithmetic number, because the mean of its divisors is an integer number (11904435).

Almost surely, 2^63391934 is an apocalyptic number.

63391934 is a deficient number, since it is larger than the sum of its proper divisors (31843546).

63391934 is a wasteful number, since it uses less digits than its factorization.

63391934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49194.

The product of its digits is 52488, while the sum is 38.

The square root of 63391934 is about 7961.9051740146. The cubic root of 63391934 is about 398.7291625396.

The spelling of 63391934 in words is "sixty-three million, three hundred ninety-one thousand, nine hundred thirty-four".