1398168395 has 32 divisors (see below), whose sum is σ = 1883611968. Its totient is φ = 989480448.

The previous prime is 1398168389. The next prime is 1398168437. The reversal of 1398168395 is 5938618931.

It is a cyclic number.

It is not a de Polignac number, because 1398168395 - 2¹⁴ = 1398152011 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156797 + ... + 165473.

It is an arithmetic number, because the mean of its divisors is an integer number (58862874).

Almost surely, 2^1398168395 is an apocalyptic number.

1398168395 is a deficient number, since it is larger than the sum of its proper divisors (485443573).

1398168395 is a wasteful number, since it uses less digits than its factorization.

1398168395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8799.

The product of its digits is 1399680, while the sum is 53.

The square root of 1398168395 is about 37392.0900057753. The cubic root of 1398168395 is about 1118.2008729219.

The spelling of 1398168395 in words is "one billion, three hundred ninety-eight million, one hundred sixty-eight thousand, three hundred ninety-five".