381048432 has 80 divisors (see below), whose sum is σ = 1007614080. Its totient is φ = 124047616.

The previous prime is 381048407. The next prime is 381048449. The reversal of 381048432 is 234840183.

It is a junction number, because it is equal to n+sod(n) for n = 381048393 and 381048402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557563 + ... + 558245.

It is an arithmetic number, because the mean of its divisors is an integer number (12595176).

Almost surely, 2^381048432 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 381048432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503807040).

381048432 is an abundant number, since it is smaller than the sum of its proper divisors (626565648).

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

381048432 is a wasteful number, since it uses less digits than its factorization.

381048432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 381048432 is about 19520.4618797814. The cubic root of 381048432 is about 724.9811692295.

The spelling of 381048432 in words is "three hundred eighty-one million, forty-eight thousand, four hundred thirty-two".