63979438 has 8 divisors (see below), whose sum is σ = 98563032. Its totient is φ = 31125096.

The previous prime is 63979429. The next prime is 63979459. The reversal of 63979438 is 83497936.

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

It is a junction number, because it is equal to n+sod(n) for n = 63979391 and 63979400.

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, 432220 + ... + 432367.

It is an arithmetic number, because the mean of its divisors is an integer number (12320379).

Almost surely, 2^63979438 is an apocalyptic number.

63979438 is a deficient number, since it is larger than the sum of its proper divisors (34583594).

63979438 is a wasteful number, since it uses less digits than its factorization.

63979438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864626.

The product of its digits is 979776, while the sum is 49.

The square root of 63979438 is about 7998.7147717618. The cubic root of 63979438 is about 399.9571579116.

The spelling of 63979438 in words is "sixty-three million, nine hundred seventy-nine thousand, four hundred thirty-eight".