198826726 has 32 divisors (see below), whose sum is σ = 357120000. Its totient is φ = 81218592.

The previous prime is 198826657. The next prime is 198826739. The reversal of 198826726 is 627628891.

It is a self number, because there is not a number n which added to its sum of digits gives 198826726.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28975 + ... + 35173.

It is an arithmetic number, because the mean of its divisors is an integer number (11160000).

Almost surely, 2^198826726 is an apocalyptic number.

198826726 is a deficient number, since it is larger than the sum of its proper divisors (158293274).

198826726 is a wasteful number, since it uses less digits than its factorization.

198826726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6316.

The product of its digits is 580608, while the sum is 49.

The square root of 198826726 is about 14100.5931080930. The cubic root of 198826726 is about 583.6577461520.

The spelling of 198826726 in words is "one hundred ninety-eight million, eight hundred twenty-six thousand, seven hundred twenty-six".