63944998 has 8 divisors (see below), whose sum is σ = 103295808. Its totient is φ = 29513064.

The previous prime is 63944981. The next prime is 63945017. The reversal of 63944998 is 89944936.

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, 1229686 + ... + 1229737.

It is an arithmetic number, because the mean of its divisors is an integer number (12911976).

Almost surely, 2^63944998 is an apocalyptic number.

63944998 is a deficient number, since it is larger than the sum of its proper divisors (39350810).

63944998 is a wasteful number, since it uses less digits than its factorization.

63944998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459438.

The product of its digits is 1679616, while the sum is 52.

The square root of 63944998 is about 7996.5616361034. The cubic root of 63944998 is about 399.8853796586.

The spelling of 63944998 in words is "sixty-three million, nine hundred forty-four thousand, nine hundred ninety-eight".