198545826 has 16 divisors (see below), whose sum is σ = 397240128. Its totient is φ = 66157200.

The previous prime is 198545819. The next prime is 198545833. The reversal of 198545826 is 628545891.

198545826 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (198545819) and next prime (198545833).

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, 19236 + ... + 27696.

It is an arithmetic number, because the mean of its divisors is an integer number (24827508).

Almost surely, 2^198545826 is an apocalyptic number.

198545826 is an abundant number, since it is smaller than the sum of its proper divisors (198694302).

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

198545826 is a wasteful number, since it uses less digits than its factorization.

198545826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12377.

The product of its digits is 691200, while the sum is 48.

The square root of 198545826 is about 14090.6290136388. The cubic root of 198545826 is about 583.3827550690.

The spelling of 198545826 in words is "one hundred ninety-eight million, five hundred forty-five thousand, eight hundred twenty-six".