380448628 has 96 divisors (see below), whose sum is σ = 830269440. Its totient is φ = 148936320.

The previous prime is 380448623. The next prime is 380448631. The reversal of 380448628 is 826844083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380448623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2904123 + ... + 2904253.

It is an arithmetic number, because the mean of its divisors is an integer number (8648640).

Almost surely, 2^380448628 is an apocalyptic number.

380448628 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380448628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415134720).

380448628 is an abundant number, since it is smaller than the sum of its proper divisors (449820812).

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

380448628 is a wasteful number, since it uses less digits than its factorization.

380448628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 43.

The square root of 380448628 is about 19505.0923607144. The cubic root of 380448628 is about 724.6005745939.

The spelling of 380448628 in words is "three hundred eighty million, four hundred forty-eight thousand, six hundred twenty-eight".