198057284 has 12 divisors (see below), whose sum is σ = 346699500. Its totient is φ = 99000288.

The previous prime is 198057283. The next prime is 198057313. The reversal of 198057284 is 482750891.

198057284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 97456384 + 100600900 = 9872^2 + 10030^2 .

It is not an unprimeable number, because it can be changed into a prime (198057283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20942 + ... + 28890.

It is an arithmetic number, because the mean of its divisors is an integer number (28891625).

Almost surely, 2^198057284 is an apocalyptic number.

It is an amenable number.

198057284 is a deficient number, since it is larger than the sum of its proper divisors (148642216).

198057284 is a wasteful number, since it uses less digits than its factorization.

198057284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14182 (or 14180 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 198057284 is about 14073.2826305734. The cubic root of 198057284 is about 582.9038714001.

The spelling of 198057284 in words is "one hundred ninety-eight million, fifty-seven thousand, two hundred eighty-four".