380841664 has 28 divisors (see below), whose sum is σ = 863695504. Its totient is φ = 163217664.

The previous prime is 380841647. The next prime is 380841673. The reversal of 380841664 is 466148083.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424599 + ... + 425494.

It is an arithmetic number, because the mean of its divisors is an integer number (30846268).

Almost surely, 2^380841664 is an apocalyptic number.

It is an amenable number.

380841664 is an abundant number, since it is smaller than the sum of its proper divisors (482853840).

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

380841664 is an equidigital number, since it uses as much as digits as its factorization.

380841664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850112 (or 850102 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 380841664 is about 19515.1649749624. The cubic root of 380841664 is about 724.8500135234.

The spelling of 380841664 in words is "three hundred eighty million, eight hundred forty-one thousand, six hundred sixty-four".