63894858 has 16 divisors (see below), whose sum is σ = 127876320. Its totient is φ = 21283856.

The previous prime is 63894827. The next prime is 63894869. The reversal of 63894858 is 85849836.

It is a self number, because there is not a number n which added to its sum of digits gives 63894858.

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, 9841 + ... + 14987.

It is an arithmetic number, because the mean of its divisors is an integer number (7992270).

Almost surely, 2^63894858 is an apocalyptic number.

63894858 is an abundant number, since it is smaller than the sum of its proper divisors (63981462).

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

63894858 is a wasteful number, since it uses less digits than its factorization.

63894858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7221.

The product of its digits is 1658880, while the sum is 51.

The square root of 63894858 is about 7993.4259238452. The cubic root of 63894858 is about 399.7808341044.

The spelling of 63894858 in words is "sixty-three million, eight hundred ninety-four thousand, eight hundred fifty-eight".