380720941 has 2 divisors, whose sum is σ = 380720942. Its totient is φ = 380720940.

The previous prime is 380720939. The next prime is 380720953. The reversal of 380720941 is 149027083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 361798441 + 18922500 = 19021^2 + 4350^2 .

It is a cyclic number.

It is not a de Polignac number, because 380720941 - 2¹ = 380720939 is a prime.

Together with 380720939, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 380720897 and 380720906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380720911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190360470 + 190360471.

It is an arithmetic number, because the mean of its divisors is an integer number (190360471).

Almost surely, 2^380720941 is an apocalyptic number.

It is an amenable number.

380720941 is a deficient number, since it is larger than the sum of its proper divisors (1).

380720941 is an equidigital number, since it uses as much as digits as its factorization.

380720941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 380720941 is about 19512.0716737101. The cubic root of 380720941 is about 724.7734153600.

The spelling of 380720941 in words is "three hundred eighty million, seven hundred twenty thousand, nine hundred forty-one".