380065831 has 4 divisors (see below), whose sum is σ = 380602600. Its totient is φ = 379529064.

The previous prime is 380065817. The next prime is 380065841. The reversal of 380065831 is 138560083.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 138560083 = 8737 ⋅15859.

It is a cyclic number.

It is not a de Polignac number, because 380065831 - 2⁵ = 380065799 is a prime.

It is a super-2 number, since 2×380065831² = 288900071787441122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380065801) 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, 267321 + ... + 268738.

It is an arithmetic number, because the mean of its divisors is an integer number (95150650).

Almost surely, 2^380065831 is an apocalyptic number.

380065831 is a deficient number, since it is larger than the sum of its proper divisors (536769).

380065831 is an equidigital number, since it uses as much as digits as its factorization.

380065831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536768.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 380065831 is about 19495.2771460167. The cubic root of 380065831 is about 724.3574686161.

The spelling of 380065831 in words is "three hundred eighty million, sixty-five thousand, eight hundred thirty-one".