380549 has 8 divisors (see below), whose sum is σ = 416472. Its totient is φ = 345600.

The previous prime is 380533. The next prime is 380557. The reversal of 380549 is 945083.

It can be written as a sum of positive squares in 4 ways, for example, as 112225 + 268324 = 335^2 + 518^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 380549 - 2⁴ = 380533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749 + ... + 1149.

It is an arithmetic number, because the mean of its divisors is an integer number (52059).

2³⁸⁰⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

380549 is a deficient number, since it is larger than the sum of its proper divisors (35923).

380549 is a wasteful number, since it uses less digits than its factorization.

380549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 380549 is about 616.8865373794. The cubic root of 380549 is about 72.4664291662.

It can be divided in two parts, 380 and 549, that added together give a palindrome (929).

The spelling of 380549 in words is "three hundred eighty thousand, five hundred forty-nine".