1198339408 has 20 divisors (see below), whose sum is σ = 2653466080. Its totient is φ = 513573984.

The previous prime is 1198339403. The next prime is 1198339409. The reversal of 1198339408 is 8049338911.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198339403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5349618 + ... + 5349841.

It is an arithmetic number, because the mean of its divisors is an integer number (132673304).

Almost surely, 2^1198339408 is an apocalyptic number.

It is an amenable number.

1198339408 is an abundant number, since it is smaller than the sum of its proper divisors (1455126672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1198339408 is a wasteful number, since it uses less digits than its factorization.

1198339408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10699474 (or 10699468 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 1198339408 is about 34617.0392725894. The cubic root of 1198339408 is about 1062.1681644794.

The spelling of 1198339408 in words is "one billion, one hundred ninety-eight million, three hundred thirty-nine thousand, four hundred eight".