1198499339 has 4 divisors (see below), whose sum is σ = 1237160640. Its totient is φ = 1159838040.

The previous prime is 1198499329. The next prime is 1198499359. The reversal of 1198499339 is 9339948911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1198499339 - 2²⁴ = 1181722123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1198499329) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19330604 + ... + 19330665.

It is an arithmetic number, because the mean of its divisors is an integer number (309290160).

Almost surely, 2^1198499339 is an apocalyptic number.

1198499339 is a deficient number, since it is larger than the sum of its proper divisors (38661301).

1198499339 is an equidigital number, since it uses as much as digits as its factorization.

1198499339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38661300.

The product of its digits is 1889568, while the sum is 56.

The square root of 1198499339 is about 34619.3491995445. The cubic root of 1198499339 is about 1062.2154148825.

The spelling of 1198499339 in words is "one billion, one hundred ninety-eight million, four hundred ninety-nine thousand, three hundred thirty-nine".