380990052 has 72 divisors (see below), whose sum is σ = 1048756800. Its totient is φ = 116157888.

The previous prime is 380990041. The next prime is 380990087. The reversal of 380990052 is 250099083.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 380989989 and 380990016.

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, 10233 + ... + 29439.

Almost surely, 2^380990052 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 380990052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524378400).

380990052 is an abundant number, since it is smaller than the sum of its proper divisors (667766748).

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

380990052 is a wasteful number, since it uses less digits than its factorization.

380990052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19265 (or 19260 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 380990052 is about 19518.9664685403. The cubic root of 380990052 is about 724.9441428231.

The spelling of 380990052 in words is "three hundred eighty million, nine hundred ninety thousand, fifty-two".