198693030 has 16 divisors (see below), whose sum is σ = 476863344. Its totient is φ = 52984800.

The previous prime is 198693023. The next prime is 198693041. The reversal of 198693030 is 30396891.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 198693030.

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, 3311521 + ... + 3311580.

It is an arithmetic number, because the mean of its divisors is an integer number (29803959).

Almost surely, 2^198693030 is an apocalyptic number.

198693030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198693030 is an abundant number, since it is smaller than the sum of its proper divisors (278170314).

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

198693030 is a wasteful number, since it uses less digits than its factorization.

198693030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6623111.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 198693030 is about 14095.8515173791. The cubic root of 198693030 is about 583.5268948583.

The spelling of 198693030 in words is "one hundred ninety-eight million, six hundred ninety-three thousand, thirty".