381341532 has 192 divisors, whose sum is σ = 1106380800. Its totient is φ = 100638720.

The previous prime is 381341507. The next prime is 381341557. The reversal of 381341532 is 235143183.

381341532 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (381341507) and next prime (381341557).

381341532 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 381341532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3931308 + ... + 3931404.

It is an arithmetic number, because the mean of its divisors is an integer number (5762400).

Almost surely, 2^381341532 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 381341532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553190400).

381341532 is an abundant number, since it is smaller than the sum of its proper divisors (725039268).

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

381341532 is a wasteful number, since it uses less digits than its factorization.

381341532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 234 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 381341532 is about 19527.9679434395. The cubic root of 381341532 is about 725.1670052052.

The spelling of 381341532 in words is "three hundred eighty-one million, three hundred forty-one thousand, five hundred thirty-two".