390379141 has 2 divisors, whose sum is σ = 390379142. Its totient is φ = 390379140.

The previous prime is 390379139. The next prime is 390379169. The reversal of 390379141 is 141973093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 274730625 + 115648516 = 16575^2 + 10754^2 .

It is an emirp because it is prime and its reverse (141973093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 390379141 - 2¹ = 390379139 is a prime.

Together with 390379139, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 390379141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390379541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195189570 + 195189571.

It is an arithmetic number, because the mean of its divisors is an integer number (195189571).

Almost surely, 2^390379141 is an apocalyptic number.

It is an amenable number.

390379141 is a deficient number, since it is larger than the sum of its proper divisors (1).

390379141 is an equidigital number, since it uses as much as digits as its factorization.

390379141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 390379141 is about 19758.0146016749. The cubic root of 390379141 is about 730.8510378697.

The spelling of 390379141 in words is "three hundred ninety million, three hundred seventy-nine thousand, one hundred forty-one".