63263994 has 16 divisors (see below), whose sum is σ = 130609920. Its totient is φ = 20407680.

The previous prime is 63263983. The next prime is 63264001. The reversal of 63263994 is 49936236.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169879 + ... + 170250.

It is an arithmetic number, because the mean of its divisors is an integer number (8163120).

Almost surely, 2^63263994 is an apocalyptic number.

63263994 is an abundant number, since it is smaller than the sum of its proper divisors (67345926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63263994 is a wasteful number, since it uses less digits than its factorization.

63263994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340165.

The product of its digits is 209952, while the sum is 42.

The square root of 63263994 is about 7953.8666068774. The cubic root of 63263994 is about 398.4607384493.

The spelling of 63263994 in words is "sixty-three million, two hundred sixty-three thousand, nine hundred ninety-four".