380521752 has 96 divisors (see below), whose sum is σ = 1075161600. Its totient is φ = 111965568.

The previous prime is 380521741. The next prime is 380521787. The reversal of 380521752 is 257125083.

380521752 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91249 + ... + 95327.

It is an arithmetic number, because the mean of its divisors is an integer number (11199600).

Almost surely, 2^380521752 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 380521752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537580800).

380521752 is an abundant number, since it is smaller than the sum of its proper divisors (694639848).

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

380521752 is a wasteful number, since it uses less digits than its factorization.

380521752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4137 (or 4120 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 380521752 is about 19506.9667554953. The cubic root of 380521752 is about 724.6469954895.

The spelling of 380521752 in words is "three hundred eighty million, five hundred twenty-one thousand, seven hundred fifty-two".