390730201 has 2 divisors, whose sum is σ = 390730202. Its totient is φ = 390730200.

The previous prime is 390730199. The next prime is 390730211. The reversal of 390730201 is 102037093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275726025 + 115004176 = 16605^2 + 10724^2 .

It is an emirp because it is prime and its reverse (102037093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 390730201 - 2¹ = 390730199 is a prime.

Together with 390730199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (390730211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195365100 + 195365101.

It is an arithmetic number, because the mean of its divisors is an integer number (195365101).

Almost surely, 2^390730201 is an apocalyptic number.

It is an amenable number.

390730201 is a deficient number, since it is larger than the sum of its proper divisors (1).

390730201 is an equidigital number, since it uses as much as digits as its factorization.

390730201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 390730201 is about 19766.8965950652. The cubic root of 390730201 is about 731.0700520422.

Adding to 390730201 its reverse (102037093), we get a palindrome (492767294).

The spelling of 390730201 in words is "three hundred ninety million, seven hundred thirty thousand, two hundred one".