380392717 has 2 divisors, whose sum is σ = 380392718. Its totient is φ = 380392716.

The previous prime is 380392687. The next prime is 380392729. The reversal of 380392717 is 717293083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 277755556 + 102637161 = 16666^2 + 10131^2 .

It is a cyclic number.

It is not a de Polignac number, because 380392717 - 2¹¹ = 380390669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 380392717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380392757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190196358 + 190196359.

It is an arithmetic number, because the mean of its divisors is an integer number (190196359).

Almost surely, 2^380392717 is an apocalyptic number.

It is an amenable number.

380392717 is a deficient number, since it is larger than the sum of its proper divisors (1).

380392717 is an equidigital number, since it uses as much as digits as its factorization.

380392717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 380392717 is about 19503.6590669546. The cubic root of 380392717 is about 724.5650769170.

The spelling of 380392717 in words is "three hundred eighty million, three hundred ninety-two thousand, seven hundred seventeen".