1838383198 has 8 divisors (see below), whose sum is σ = 2758254408. Its totient is φ = 918965064.

The previous prime is 1838383189. The next prime is 1838383201. The reversal of 1838383198 is 8913838381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102936 + ... + 119467.

It is an arithmetic number, because the mean of its divisors is an integer number (344781801).

Almost surely, 2^1838383198 is an apocalyptic number.

1838383198 is a deficient number, since it is larger than the sum of its proper divisors (919871210).

1838383198 is a wasteful number, since it uses less digits than its factorization.

1838383198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226538.

The product of its digits is 995328, while the sum is 52.

The square root of 1838383198 is about 42876.3710917797. The cubic root of 1838383198 is about 1225.0261158947.

The spelling of 1838383198 in words is "one billion, eight hundred thirty-eight million, three hundred eighty-three thousand, one hundred ninety-eight".