380449 has 4 divisors (see below), whose sum is σ = 383364. Its totient is φ = 377536.

The previous prime is 380447. The next prime is 380453. The reversal of 380449 is 944083.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 135424 + 245025 = 368^2 + 495^2 .

It is a cyclic number.

It is not a de Polignac number, because 380449 - 2¹ = 380447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380441) 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, 1252 + ... + 1525.

It is an arithmetic number, because the mean of its divisors is an integer number (95841).

2³⁸⁰⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

380449 is a deficient number, since it is larger than the sum of its proper divisors (2915).

380449 is a wasteful number, since it uses less digits than its factorization.

380449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2914.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 380449 is about 616.8054798719. The cubic root of 380449 is about 72.4600810764.

The spelling of 380449 in words is "three hundred eighty thousand, four hundred forty-nine".