381062528 has 192 divisors, whose sum is σ = 1012296960. Its totient is φ = 138547200.

The previous prime is 381062501. The next prime is 381062573. The reversal of 381062528 is 825260183.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9294188 + ... + 9294228.

It is an arithmetic number, because the mean of its divisors is an integer number (5272380).

Almost surely, 2^381062528 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 381062528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506148480).

381062528 is an abundant number, since it is smaller than the sum of its proper divisors (631234432).

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

381062528 is a wasteful number, since it uses less digits than its factorization.

381062528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 381062528 is about 19520.8229334729. The cubic root of 381062528 is about 724.9901087830.

The spelling of 381062528 in words is "three hundred eighty-one million, sixty-two thousand, five hundred twenty-eight".