63838974 has 16 divisors (see below), whose sum is σ = 134398080. Its totient is φ = 20159640.

The previous prime is 63838967. The next prime is 63838981. The reversal of 63838974 is 47983836.

It is an interprime number because it is at equal distance from previous prime (63838967) and next prime (63838981).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279882 + ... + 280109.

It is an arithmetic number, because the mean of its divisors is an integer number (8399880).

Almost surely, 2^63838974 is an apocalyptic number.

63838974 is an abundant number, since it is smaller than the sum of its proper divisors (70559106).

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

63838974 is a wasteful number, since it uses less digits than its factorization.

63838974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560015.

The product of its digits is 870912, while the sum is 48.

The square root of 63838974 is about 7989.9295366104. The cubic root of 63838974 is about 399.6642474210.

The spelling of 63838974 in words is "sixty-three million, eight hundred thirty-eight thousand, nine hundred seventy-four".