198445364 has 24 divisors (see below), whose sum is σ = 378507360. Its totient is φ = 90484704.

The previous prime is 198445363. The next prime is 198445381. The reversal of 198445364 is 463544891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198445363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18674 + ... + 27305.

It is an arithmetic number, because the mean of its divisors is an integer number (15771140).

Almost surely, 2^198445364 is an apocalyptic number.

It is an amenable number.

198445364 is a deficient number, since it is larger than the sum of its proper divisors (180061996).

198445364 is a wasteful number, since it uses less digits than its factorization.

198445364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46079 (or 46077 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 198445364 is about 14087.0637110790. The cubic root of 198445364 is about 583.2843433869.

The spelling of 198445364 in words is "one hundred ninety-eight million, four hundred forty-five thousand, three hundred sixty-four".