1098200378 has 16 divisors (see below), whose sum is σ = 1798308000. Its totient is φ = 498834000.

The previous prime is 1098200377. The next prime is 1098200407. The reversal of 1098200378 is 8730028901.

It is not an unprimeable number, because it can be changed into a prime (1098200377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16328 + ... + 49628.

It is an arithmetic number, because the mean of its divisors is an integer number (112394250).

Almost surely, 2^1098200378 is an apocalyptic number.

1098200378 is a deficient number, since it is larger than the sum of its proper divisors (700107622).

1098200378 is a wasteful number, since it uses less digits than its factorization.

1098200378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34813.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 1098200378 is about 33139.1064755826. The cubic root of 1098200378 is about 1031.7168645432.

The spelling of 1098200378 in words is "one billion, ninety-eight million, two hundred thousand, three hundred seventy-eight".