1806469198 has 32 divisors (see below), whose sum is σ = 2929374720. Its totient is φ = 832360320.

The previous prime is 1806469163. The next prime is 1806469199. The reversal of 1806469198 is 8919646081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1806469199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541965 + ... + 545287.

It is an arithmetic number, because the mean of its divisors is an integer number (91542960).

Almost surely, 2^1806469198 is an apocalyptic number.

1806469198 is a deficient number, since it is larger than the sum of its proper divisors (1122905522).

1806469198 is a wasteful number, since it uses less digits than its factorization.

1806469198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672.

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 1806469198 is about 42502.5787217670. The cubic root of 1806469198 is about 1217.8959519008.

The spelling of 1806469198 in words is "one billion, eight hundred six million, four hundred sixty-nine thousand, one hundred ninety-eight".