1238448732 has 36 divisors (see below), whose sum is σ = 2906849736. Its totient is φ = 410382560.

The previous prime is 1238448713. The next prime is 1238448733. The reversal of 1238448732 is 2378448321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238448733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 382882 + ... + 386102.

It is an arithmetic number, because the mean of its divisors is an integer number (80745826).

Almost surely, 2^1238448732 is an apocalyptic number.

1238448732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1238448732 is an abundant number, since it is smaller than the sum of its proper divisors (1668401004).

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

1238448732 is a wasteful number, since it uses less digits than its factorization.

1238448732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586 (or 3405 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 1238448732 is about 35191.6003046181. The cubic root of 1238448732 is about 1073.8888773919. Note that the first 4 decimals are identical.

It can be divided in two parts, 12384 and 48732, that added together give a palindrome (61116).

The spelling of 1238448732 in words is "one billion, two hundred thirty-eight million, four hundred forty-eight thousand, seven hundred thirty-two".