198953936 has 10 divisors (see below), whose sum is σ = 385473282. Its totient is φ = 99476960.

The previous prime is 198953929. The next prime is 198953957. The reversal of 198953936 is 639359891.

It can be written as a sum of positive squares in only one way, i.e., 175721536 + 23232400 = 13256^2 + 4820^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6217295 + ... + 6217326.

Almost surely, 2^198953936 is an apocalyptic number.

198953936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

198953936 is a deficient number, since it is larger than the sum of its proper divisors (186519346).

198953936 is a wasteful number, since it uses less digits than its factorization.

198953936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12434629 (or 12434623 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 53.

The square root of 198953936 is about 14105.1031899806. The cubic root of 198953936 is about 583.7821950033.

The spelling of 198953936 in words is "one hundred ninety-eight million, nine hundred fifty-three thousand, nine hundred thirty-six".