198342030 has 64 divisors (see below), whose sum is σ = 493516800. Its totient is φ = 50962560.

The previous prime is 198342013. The next prime is 198342091. The reversal of 198342030 is 30243891.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389416 + ... + 389924.

It is an arithmetic number, because the mean of its divisors is an integer number (7711200).

Almost surely, 2^198342030 is an apocalyptic number.

198342030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 198342030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246758400).

198342030 is an abundant number, since it is smaller than the sum of its proper divisors (295174770).

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

198342030 is a wasteful number, since it uses less digits than its factorization.

198342030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 198342030 is about 14083.3955422689. The cubic root of 198342030 is about 583.1830836617.

The spelling of 198342030 in words is "one hundred ninety-eight million, three hundred forty-two thousand, thirty".