379731689 has 2 divisors, whose sum is σ = 379731690. Its totient is φ = 379731688.

The previous prime is 379731683. The next prime is 379731707. The reversal of 379731689 is 986137973.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 379587289 + 144400 = 19483^2 + 380^2 .

It is a cyclic number.

It is not a de Polignac number, because 379731689 - 2⁴ = 379731673 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 379731689.

It is not a weakly prime, because it can be changed into another prime (379731683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189865844 + 189865845.

It is an arithmetic number, because the mean of its divisors is an integer number (189865845).

Almost surely, 2^379731689 is an apocalyptic number.

It is an amenable number.

379731689 is a deficient number, since it is larger than the sum of its proper divisors (1).

379731689 is an equidigital number, since it uses as much as digits as its factorization.

379731689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1714608, while the sum is 53.

The square root of 379731689 is about 19486.7054424292. The cubic root of 379731689 is about 724.1451288940.

The spelling of 379731689 in words is "three hundred seventy-nine million, seven hundred thirty-one thousand, six hundred eighty-nine".