198773944 has 8 divisors (see below), whose sum is σ = 372701160. Its totient is φ = 99386968.

The previous prime is 198773909. The next prime is 198773969. The reversal of 198773944 is 449377891.

198773944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×198773944² = 79022161626630272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 198773891 and 198773900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12423364 + ... + 12423379.

It is an arithmetic number, because the mean of its divisors is an integer number (46587645).

Almost surely, 2^198773944 is an apocalyptic number.

It is an amenable number.

198773944 is a deficient number, since it is larger than the sum of its proper divisors (173927216).

198773944 is a wasteful number, since it uses less digits than its factorization.

198773944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24846749 (or 24846745 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 52.

The square root of 198773944 is about 14098.7213604639. The cubic root of 198773944 is about 583.6060942267.

The spelling of 198773944 in words is "one hundred ninety-eight million, seven hundred seventy-three thousand, nine hundred forty-four".