380565672 has 64 divisors (see below), whose sum is σ = 1039910400. Its totient is φ = 115537920.

The previous prime is 380565671. The next prime is 380565701. The reversal of 380565672 is 276565083.

It is a super-3 number, since 3×380565672³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (380565671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2397 + ... + 27692.

It is an arithmetic number, because the mean of its divisors is an integer number (16248600).

Almost surely, 2^380565672 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 380565672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519955200).

380565672 is an abundant number, since it is smaller than the sum of its proper divisors (659344728).

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

380565672 is a wasteful number, since it uses less digits than its factorization.

380565672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30146 (or 30142 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 380565672 is about 19508.0924746629. The cubic root of 380565672 is about 724.6748741162.

The spelling of 380565672 in words is "three hundred eighty million, five hundred sixty-five thousand, six hundred seventy-two".