380826731 has 2 divisors, whose sum is σ = 380826732. Its totient is φ = 380826730.

The previous prime is 380826713. The next prime is 380826739. The reversal of 380826731 is 137628083.

It is a happy number.

Together with previous prime (380826713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (137628083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 380826731 - 2¹⁴ = 380810347 is a prime.

It is a super-2 number, since 2×380826731² = 290057998088292722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (380826739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190413365 + 190413366.

It is an arithmetic number, because the mean of its divisors is an integer number (190413366).

Almost surely, 2^380826731 is an apocalyptic number.

380826731 is a deficient number, since it is larger than the sum of its proper divisors (1).

380826731 is an equidigital number, since it uses as much as digits as its factorization.

380826731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 380826731 is about 19514.7823713205. The cubic root of 380826731 is about 724.8405394840.

The spelling of 380826731 in words is "three hundred eighty million, eight hundred twenty-six thousand, seven hundred thirty-one".