632548389 has 16 divisors (see below), whose sum is σ = 923503680. Its totient is φ = 381932160.

The previous prime is 632548379. The next prime is 632548409. The reversal of 632548389 is 983845236.

It is not a de Polignac number, because 632548389 - 2⁴ = 632548373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632548379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26752 + ... + 44505.

It is an arithmetic number, because the mean of its divisors is an integer number (57718980).

Almost surely, 2^632548389 is an apocalyptic number.

It is an amenable number.

632548389 is a deficient number, since it is larger than the sum of its proper divisors (290955291).

632548389 is a wasteful number, since it uses less digits than its factorization.

632548389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71540.

The product of its digits is 1244160, while the sum is 48.

The square root of 632548389 is about 25150.5146865825. The cubic root of 632548389 is about 858.4162256410.

It can be divided in two parts, 63 and 2548389, that added together give a palindrome (2548452).

The spelling of 632548389 in words is "six hundred thirty-two million, five hundred forty-eight thousand, three hundred eighty-nine".