1198384500 has 48 divisors (see below), whose sum is σ = 3489700032. Its totient is φ = 319568800.

The previous prime is 1198384483. The next prime is 1198384541. The reversal of 1198384500 is 54838911.

It is a super-2 number, since 2×1198384500² = 2872250819680500000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397962 + ... + 400961.

It is an arithmetic number, because the mean of its divisors is an integer number (72702084).

Almost surely, 2^1198384500 is an apocalyptic number.

1198384500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1198384500 is an abundant number, since it is smaller than the sum of its proper divisors (2291315532).

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

1198384500 is a wasteful number, since it uses less digits than its factorization.

1198384500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798945 (or 798933 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 1198384500 is about 34617.6905642188. The cubic root of 1198384500 is about 1062.1814869950.

The spelling of 1198384500 in words is "one billion, one hundred ninety-eight million, three hundred eighty-four thousand, five hundred".