380161 has 4 divisors (see below), whose sum is σ = 393300. Its totient is φ = 367024.

The previous prime is 380147. The next prime is 380179. The reversal of 380161 is 161083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161083 = 13 ⋅12391.

It can be written as a sum of positive squares in 2 ways, for example, as 172225 + 207936 = 415^2 + 456^2 .

It is not a de Polignac number, because 380161 - 2⁵ = 380129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6526 + ... + 6583.

It is an arithmetic number, because the mean of its divisors is an integer number (98325).

2³⁸⁰¹⁶¹ is an apocalyptic number.

It is an amenable number.

380161 is a deficient number, since it is larger than the sum of its proper divisors (13139).

380161 is a wasteful number, since it uses less digits than its factorization.

380161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13138.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 380161 is about 616.5719747118. The cubic root of 380161 is about 72.4417923601.

The spelling of 380161 in words is "three hundred eighty thousand, one hundred sixty-one".