63958 has 8 divisors (see below), whose sum is σ = 97128. Its totient is φ = 31584.

The previous prime is 63949. The next prime is 63977. The reversal of 63958 is 85936.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85 + ... + 367.

It is an arithmetic number, because the mean of its divisors is an integer number (12141).

2⁶³⁹⁵⁸ is an apocalyptic number.

63958 is a deficient number, since it is larger than the sum of its proper divisors (33170).

63958 is a wasteful number, since it uses less digits than its factorization.

63958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398.

The product of its digits is 6480, while the sum is 31.

The square root of 63958 is about 252.8991894016. The cubic root of 63958 is about 39.9912480852.

The spelling of 63958 in words is "sixty-three thousand, nine hundred fifty-eight".