381832512 has 224 divisors, whose sum is σ = 1158727680. Its totient is φ = 110223360.

The previous prime is 381832501. The next prime is 381832513. The reversal of 381832512 is 215238183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381832513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2914687 + ... + 2914817.

Almost surely, 2^381832512 is an apocalyptic number.

381832512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 381832512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579363840).

381832512 is an abundant number, since it is smaller than the sum of its proper divisors (776895168).

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

381832512 is a wasteful number, since it uses less digits than its factorization.

381832512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 219 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 381832512 is about 19540.5351001450. The cubic root of 381832512 is about 725.4780910020.

The spelling of 381832512 in words is "three hundred eighty-one million, eight hundred thirty-two thousand, five hundred twelve".