380236309 has 8 divisors (see below), whose sum is σ = 390832128. Its totient is φ = 369657360.

The previous prime is 380236301. The next prime is 380236321. The reversal of 380236309 is 903632083.

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 380236309 - 2³ = 380236301 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 (380236301) 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, 51564 + ... + 58474.

It is an arithmetic number, because the mean of its divisors is an integer number (48854016).

Almost surely, 2^380236309 is an apocalyptic number.

It is an amenable number.

380236309 is a deficient number, since it is larger than the sum of its proper divisors (10595819).

380236309 is a wasteful number, since it uses less digits than its factorization.

380236309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8435.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 380236309 is about 19499.6489455580. The cubic root of 380236309 is about 724.4657556055.

The spelling of 380236309 in words is "three hundred eighty million, two hundred thirty-six thousand, three hundred nine".