380290 has 16 divisors (see below), whose sum is σ = 725112. Its totient is φ = 143104.

The previous prime is 380287. The next prime is 380291. The reversal of 380290 is 92083.

It can be written as a sum of positive squares in 4 ways, for example, as 370881 + 9409 = 609^2 + 97^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380291) 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, 949 + ... + 1288.

2³⁸⁰²⁹⁰ is an apocalyptic number.

380290 is a deficient number, since it is larger than the sum of its proper divisors (344822).

380290 is a wasteful number, since it uses less digits than its factorization.

380290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 380290 is about 616.6765764970. The cubic root of 380290 is about 72.4499853226.

The spelling of 380290 in words is "three hundred eighty thousand, two hundred ninety".