198514490 has 16 divisors (see below), whose sum is σ = 360865800. Its totient is φ = 78619200.

The previous prime is 198514487. The next prime is 198514517. The reversal of 198514490 is 94415891.

It can be written as a sum of positive squares in 4 ways, for example, as 180015889 + 18498601 = 13417^2 + 4301^2 .

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, 97265 + ... + 99284.

Almost surely, 2^198514490 is an apocalyptic number.

198514490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198514490 is a deficient number, since it is larger than the sum of its proper divisors (162351310).

198514490 is a wasteful number, since it uses less digits than its factorization.

198514490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196657.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 198514490 is about 14089.5170250793. The cubic root of 198514490 is about 583.3520621651.

The spelling of 198514490 in words is "one hundred ninety-eight million, five hundred fourteen thousand, four hundred ninety".