380115739 has 2 divisors, whose sum is σ = 380115740. Its totient is φ = 380115738.

The previous prime is 380115713. The next prime is 380115761. The reversal of 380115739 is 937511083.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 380115739 - 2¹⁹ = 379591451 is a prime.

It is a super-2 number, since 2×380115739² = 288975950071032242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 380115698 and 380115707.

It is not a weakly prime, because it can be changed into another prime (380115139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190057869 + 190057870.

It is an arithmetic number, because the mean of its divisors is an integer number (190057870).

Almost surely, 2^380115739 is an apocalyptic number.

380115739 is a deficient number, since it is larger than the sum of its proper divisors (1).

380115739 is an equidigital number, since it uses as much as digits as its factorization.

380115739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 380115739 is about 19496.5571063201. The cubic root of 380115739 is about 724.3891733431.

The spelling of 380115739 in words is "three hundred eighty million, one hundred fifteen thousand, seven hundred thirty-nine".