1194998400 has 192 divisors, whose sum is σ = 4373678400. Its totient is φ = 318643200.

The previous prime is 1194998339. The next prime is 1194998417. The reversal of 1194998400 is 48994911.

1194998400 is a `hidden beast` number, since 119 + 49 + 98 + 400 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79485 + ... + 93315.

It is an arithmetic number, because the mean of its divisors is an integer number (22779575).

Almost surely, 2^1194998400 is an apocalyptic number.

1194998400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1194998400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2186839200).

1194998400 is an abundant number, since it is smaller than the sum of its proper divisors (3178680000).

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

1194998400 is a wasteful number, since it uses less digits than its factorization.

1194998400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13864 (or 13841 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 1194998400 is about 34568.7488926053. The cubic root of 1194998400 is about 1061.1801262540.

The spelling of 1194998400 in words is "one billion, one hundred ninety-four million, nine hundred ninety-eight thousand, four hundred".