63982994 has 16 divisors (see below), whose sum is σ = 101184000. Its totient is φ = 30260304.

The previous prime is 63982991. The next prime is 63983009. The reversal of 63982994 is 49928936.

It is not an unprimeable number, because it can be changed into a prime (63982991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40532 + ... + 42080.

It is an arithmetic number, because the mean of its divisors is an integer number (6324000).

Almost surely, 2^63982994 is an apocalyptic number.

63982994 is a deficient number, since it is larger than the sum of its proper divisors (37201006).

63982994 is a wasteful number, since it uses less digits than its factorization.

63982994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2657.

The product of its digits is 839808, while the sum is 50.

The square root of 63982994 is about 7998.9370543842. The cubic root of 63982994 is about 399.9645676948.

The spelling of 63982994 in words is "sixty-three million, nine hundred eighty-two thousand, nine hundred ninety-four".