198737912 has 16 divisors (see below), whose sum is σ = 372859200. Its totient is φ = 99308800.

The previous prime is 198737897. The next prime is 198737923. The reversal of 198737912 is 219737891.

It is a super-2 number, since 2×198737912² = 78993515332239488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8537 + ... + 21687.

It is an arithmetic number, because the mean of its divisors is an integer number (23303700).

Almost surely, 2^198737912 is an apocalyptic number.

It is an amenable number.

198737912 is a deficient number, since it is larger than the sum of its proper divisors (174121288).

198737912 is a wasteful number, since it uses less digits than its factorization.

198737912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15046 (or 15042 counting only the distinct ones).

The product of its digits is 190512, while the sum is 47.

The square root of 198737912 is about 14097.4434561732. The cubic root of 198737912 is about 583.5708284282.

The spelling of 198737912 in words is "one hundred ninety-eight million, seven hundred thirty-seven thousand, nine hundred twelve".