395339899 has 2 divisors, whose sum is σ = 395339900. Its totient is φ = 395339898.

The previous prime is 395339891. The next prime is 395339911. The reversal of 395339899 is 998933593.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 395339899 - 2³ = 395339891 is a prime.

It is not a weakly prime, because it can be changed into another prime (395339891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197669949 + 197669950.

It is an arithmetic number, because the mean of its divisors is an integer number (197669950).

Almost surely, 2^395339899 is an apocalyptic number.

395339899 is a deficient number, since it is larger than the sum of its proper divisors (1).

395339899 is an equidigital number, since it uses as much as digits as its factorization.

395339899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7085880, while the sum is 58.

The square root of 395339899 is about 19883.1561629435. The cubic root of 395339899 is about 733.9337890418.

The spelling of 395339899 in words is "three hundred ninety-five million, three hundred thirty-nine thousand, eight hundred ninety-nine".