198427542 has 32 divisors (see below), whose sum is σ = 407151360. Its totient is φ = 64434720.

The previous prime is 198427501. The next prime is 198427589. The reversal of 198427542 is 245724891.

It is a junction number, because it is equal to n+sod(n) for n = 198427494 and 198427503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130567 + ... + 132077.

It is an arithmetic number, because the mean of its divisors is an integer number (12723480).

Almost surely, 2^198427542 is an apocalyptic number.

198427542 is an abundant number, since it is smaller than the sum of its proper divisors (208723818).

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

198427542 is a wasteful number, since it uses less digits than its factorization.

198427542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068.

The product of its digits is 161280, while the sum is 42.

The square root of 198427542 is about 14086.4311307016. The cubic root of 198427542 is about 583.2668816457.

The spelling of 198427542 in words is "one hundred ninety-eight million, four hundred twenty-seven thousand, five hundred forty-two".