395036449 has 2 divisors, whose sum is σ = 395036450. Its totient is φ = 395036448.

The previous prime is 395036437. The next prime is 395036459. The reversal of 395036449 is 944630593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235469025 + 159567424 = 15345^2 + 12632^2 .

It is an emirp because it is prime and its reverse (944630593) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 395036449 - 2⁷ = 395036321 is a prime.

It is not a weakly prime, because it can be changed into another prime (395036459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197518224 + 197518225.

It is an arithmetic number, because the mean of its divisors is an integer number (197518225).

Almost surely, 2^395036449 is an apocalyptic number.

It is an amenable number.

395036449 is a deficient number, since it is larger than the sum of its proper divisors (1).

395036449 is an equidigital number, since it uses as much as digits as its factorization.

395036449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 43.

The square root of 395036449 is about 19875.5238673098. The cubic root of 395036449 is about 733.7459597710.

The spelling of 395036449 in words is "three hundred ninety-five million, thirty-six thousand, four hundred forty-nine".