63993214 has 4 divisors (see below), whose sum is σ = 95989824. Its totient is φ = 31996606.

The previous prime is 63993191. The next prime is 63993221. The reversal of 63993214 is 41239936.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15998302 + ... + 15998305.

It is an arithmetic number, because the mean of its divisors is an integer number (23997456).

Almost surely, 2^63993214 is an apocalyptic number.

63993214 is a deficient number, since it is larger than the sum of its proper divisors (31996610).

63993214 is a wasteful number, since it uses less digits than its factorization.

63993214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31996609.

The product of its digits is 34992, while the sum is 37.

The square root of 63993214 is about 7999.5758637568. The cubic root of 63993214 is about 399.9858620003.

The spelling of 63993214 in words is "sixty-three million, nine hundred ninety-three thousand, two hundred fourteen".