1198438360 has 32 divisors (see below), whose sum is σ = 3081699360. Its totient is φ = 410893056.

The previous prime is 1198438321. The next prime is 1198438403. The reversal of 1198438360 is 638348911.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2139789 + ... + 2140348.

It is an arithmetic number, because the mean of its divisors is an integer number (96303105).

Almost surely, 2^1198438360 is an apocalyptic number.

1198438360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1198438360 is an abundant number, since it is smaller than the sum of its proper divisors (1883261000).

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

1198438360 is a wasteful number, since it uses less digits than its factorization.

1198438360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280155 (or 4280151 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 1198438360 is about 34618.4684814334. The cubic root of 1198438360 is about 1062.1973995945.

The spelling of 1198438360 in words is "one billion, one hundred ninety-eight million, four hundred thirty-eight thousand, three hundred sixty".