1398299 has 8 divisors (see below), whose sum is σ = 1628640. Its totient is φ = 1175616.

The previous prime is 1398289. The next prime is 1398307. The reversal of 1398299 is 9928931.

1398299 is nontrivially palindromic in base 3.

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 1398299 - 2⁴ = 1398283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1398209) 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, 1514 + ... + 2255.

It is an arithmetic number, because the mean of its divisors is an integer number (203580).

2^1398299 is an apocalyptic number.

1398299 is a deficient number, since it is larger than the sum of its proper divisors (230341).

1398299 is an equidigital number, since it uses as much as digits as its factorization.

1398299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3829.

The product of its digits is 34992, while the sum is 41.

The square root of 1398299 is about 1182.4969344569. The cubic root of 1398299 is about 111.8235689443.

The spelling of 1398299 in words is "one million, three hundred ninety-eight thousand, two hundred ninety-nine".