198976942 has 8 divisors (see below), whose sum is σ = 316022256. Its totient is φ = 93636192.

The previous prime is 198976927. The next prime is 198976963. The reversal of 198976942 is 249679891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2926098 + ... + 2926165.

It is an arithmetic number, because the mean of its divisors is an integer number (39502782).

Almost surely, 2^198976942 is an apocalyptic number.

198976942 is a deficient number, since it is larger than the sum of its proper divisors (117045314).

198976942 is a wasteful number, since it uses less digits than its factorization.

198976942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5852282.

The product of its digits is 1959552, while the sum is 55.

The square root of 198976942 is about 14105.9186868491. The cubic root of 198976942 is about 583.8046959832.

The spelling of 198976942 in words is "one hundred ninety-eight million, nine hundred seventy-six thousand, nine hundred forty-two".