380813268 has 96 divisors (see below), whose sum is σ = 1022232960. Its totient is φ = 109258240.

The previous prime is 380813267. The next prime is 380813339. The reversal of 380813268 is 862318083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380813261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201946 + ... + 203822.

It is an arithmetic number, because the mean of its divisors is an integer number (10648260).

Almost surely, 2^380813268 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 380813268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511116480).

380813268 is an abundant number, since it is smaller than the sum of its proper divisors (641419692).

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

380813268 is a wasteful number, since it uses less digits than its factorization.

380813268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977 (or 1975 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 380813268 is about 19514.4374246351. The cubic root of 380813268 is about 724.8319978540.

The spelling of 380813268 in words is "three hundred eighty million, eight hundred thirteen thousand, two hundred sixty-eight".