198100936 has 16 divisors (see below), whose sum is σ = 405206640. Its totient is φ = 90045840.

The previous prime is 198100927. The next prime is 198100979. The reversal of 198100936 is 639001891.

It is a junction number, because it is equal to n+sod(n) for n = 198100895 and 198100904.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125486 + ... + 1125661.

It is an arithmetic number, because the mean of its divisors is an integer number (25325415).

Almost surely, 2^198100936 is an apocalyptic number.

It is an amenable number.

198100936 is an abundant number, since it is smaller than the sum of its proper divisors (207105704).

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

198100936 is a wasteful number, since it uses less digits than its factorization.

198100936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251164 (or 2251160 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 198100936 is about 14074.8334270783. The cubic root of 198100936 is about 582.9466924300.

It can be divided in two parts, 1981009 and 36, that added together give a triangular number (1981045 = T₁₉₉₀).

The spelling of 198100936 in words is "one hundred ninety-eight million, one hundred thousand, nine hundred thirty-six".