380846681 has 2 divisors, whose sum is σ = 380846682. Its totient is φ = 380846680.

The previous prime is 380846633. The next prime is 380846689. The reversal of 380846681 is 186648083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276091456 + 104755225 = 16616^2 + 10235^2 .

It is a cyclic number.

It is not a de Polignac number, because 380846681 - 2¹⁰ = 380845657 is a prime.

It is a super-2 number, since 2×380846681² = 290088388857431522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (380846689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190423340 + 190423341.

It is an arithmetic number, because the mean of its divisors is an integer number (190423341).

Almost surely, 2^380846681 is an apocalyptic number.

It is an amenable number.

380846681 is a deficient number, since it is larger than the sum of its proper divisors (1).

380846681 is an equidigital number, since it uses as much as digits as its factorization.

380846681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 380846681 is about 19515.2935155995. The cubic root of 380846681 is about 724.8531964354.

The spelling of 380846681 in words is "three hundred eighty million, eight hundred forty-six thousand, six hundred eighty-one".