198469044 has 18 divisors (see below), whose sum is σ = 501685730. Its totient is φ = 66156336.

The previous prime is 198469039. The next prime is 198469087. The reversal of 198469044 is 440964891.

It can be written as a sum of positive squares in only one way, i.e., 174556944 + 23912100 = 13212^2 + 4890^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×198469044² = 78779922852547872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2756479 + ... + 2756550.

Almost surely, 2^198469044 is an apocalyptic number.

It is an amenable number.

198469044 is an abundant number, since it is smaller than the sum of its proper divisors (303216686).

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

198469044 is a wasteful number, since it uses less digits than its factorization.

198469044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5513039 (or 5513034 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 198469044 is about 14087.9041734390. The cubic root of 198469044 is about 583.3075430956.

The spelling of 198469044 in words is "one hundred ninety-eight million, four hundred sixty-nine thousand, forty-four".