198370542 has 32 divisors (see below), whose sum is σ = 409393152. Its totient is φ = 64031904.

The previous prime is 198370541. The next prime is 198370547. The reversal of 198370542 is 245073891.

It is a self number, because there is not a number n which added to its sum of digits gives 198370542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198370541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47503 + ... + 51509.

It is an arithmetic number, because the mean of its divisors is an integer number (12793536).

Almost surely, 2^198370542 is an apocalyptic number.

198370542 is an abundant number, since it is smaller than the sum of its proper divisors (211022610).

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

198370542 is a wasteful number, since it uses less digits than its factorization.

198370542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 198370542 is about 14084.4077617769. The cubic root of 198370542 is about 583.2110268387.

The spelling of 198370542 in words is "one hundred ninety-eight million, three hundred seventy thousand, five hundred forty-two".