198407244 has 24 divisors (see below), whose sum is σ = 529086208. Its totient is φ = 56687760.

The previous prime is 198407239. The next prime is 198407273. The reversal of 198407244 is 442704891.

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, 1180912 + ... + 1181079.

Almost surely, 2^198407244 is an apocalyptic number.

198407244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

198407244 is an abundant number, since it is smaller than the sum of its proper divisors (330678964).

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

198407244 is a wasteful number, since it uses less digits than its factorization.

198407244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362005 (or 2362003 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 198407244 is about 14085.7106317005. The cubic root of 198407244 is about 583.2469926814.

The spelling of 198407244 in words is "one hundred ninety-eight million, four hundred seven thousand, two hundred forty-four".