63147384 has 128 divisors (see below), whose sum is σ = 192456000. Its totient is φ = 19095552.

The previous prime is 63147373. The next prime is 63147389. The reversal of 63147384 is 48374136.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63147389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106192 + ... + 106784.

Almost surely, 2^63147384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63147384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96228000).

63147384 is an abundant number, since it is smaller than the sum of its proper divisors (129308616).

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

63147384 is a wasteful number, since it uses less digits than its factorization.

63147384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 644 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 63147384 is about 7946.5328288506. The cubic root of 63147384 is about 398.2157698067.

The spelling of 63147384 in words is "sixty-three million, one hundred forty-seven thousand, three hundred eighty-four".