63389118 has 16 divisors (see below), whose sum is σ = 136530576. Its totient is φ = 19504320.

The previous prime is 63389101. The next prime is 63389119. The reversal of 63389118 is 81198336.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63389119) 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, 406263 + ... + 406418.

It is an arithmetic number, because the mean of its divisors is an integer number (8533161).

Almost surely, 2^63389118 is an apocalyptic number.

63389118 is an abundant number, since it is smaller than the sum of its proper divisors (73141458).

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

63389118 is a wasteful number, since it uses less digits than its factorization.

63389118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812699.

The product of its digits is 31104, while the sum is 39.

The square root of 63389118 is about 7961.7283299545. The cubic root of 63389118 is about 398.7232583292.

The spelling of 63389118 in words is "sixty-three million, three hundred eighty-nine thousand, one hundred eighteen".