1830572198 has 16 divisors (see below), whose sum is σ = 3379518240. Its totient is φ = 724182336.

The previous prime is 1830572167. The next prime is 1830572239. The reversal of 1830572198 is 8912750381.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5028863 + ... + 5029226.

It is an arithmetic number, because the mean of its divisors is an integer number (211219890).

Almost surely, 2^1830572198 is an apocalyptic number.

1830572198 is a deficient number, since it is larger than the sum of its proper divisors (1548946042).

1830572198 is a wasteful number, since it uses less digits than its factorization.

1830572198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10058111.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 1830572198 is about 42785.1866654804. The cubic root of 1830572198 is about 1223.2886719971.

The spelling of 1830572198 in words is "one billion, eight hundred thirty million, five hundred seventy-two thousand, one hundred ninety-eight".