380348181 has 12 divisors (see below), whose sum is σ = 549883308. Its totient is φ = 253338624.

The previous prime is 380348179. The next prime is 380348183. The reversal of 380348181 is 181843083.

It is an interprime number because it is at equal distance from previous prime (380348179) and next prime (380348183).

It can be written as a sum of positive squares in 2 ways, for example, as 229795281 + 150552900 = 15159^2 + 12270^2 .

It is not a de Polignac number, because 380348181 - 2¹ = 380348179 is a prime.

It is a super-2 number, since 2×380348181² = 289329477580017522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380348183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7950 + ... + 28703.

It is an arithmetic number, because the mean of its divisors is an integer number (45823609).

Almost surely, 2^380348181 is an apocalyptic number.

It is an amenable number.

380348181 is a deficient number, since it is larger than the sum of its proper divisors (169535127).

380348181 is a wasteful number, since it uses less digits than its factorization.

380348181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37812 (or 37809 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 380348181 is about 19502.5172990566. The cubic root of 380348181 is about 724.5367986944.

It can be divided in two parts, 3803 and 48181, that added together give a square (51984 = 228²).

The spelling of 380348181 in words is "three hundred eighty million, three hundred forty-eight thousand, one hundred eighty-one".