1398297601 has 8 divisors (see below), whose sum is σ = 1414899360. Its totient is φ = 1381715808.

The previous prime is 1398297577. The next prime is 1398297613. The reversal of 1398297601 is 1067928931.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1398297601 - 2⁷ = 1398297473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1398297101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172890 + ... + 180796.

It is an arithmetic number, because the mean of its divisors is an integer number (176862420).

Almost surely, 2^1398297601 is an apocalyptic number.

It is an amenable number.

1398297601 is a deficient number, since it is larger than the sum of its proper divisors (16601759).

1398297601 is an equidigital number, since it uses as much as digits as its factorization.

1398297601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9983.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 1398297601 is about 37393.8176842108. The cubic root of 1398297601 is about 1118.2353165107.

The spelling of 1398297601 in words is "one billion, three hundred ninety-eight million, two hundred ninety-seven thousand, six hundred one".