198904342 has 32 divisors (see below), whose sum is σ = 368186112. Its totient is φ = 78477984.

The previous prime is 198904327. The next prime is 198904357. The reversal of 198904342 is 243409891.

198904342 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 (198904327) and next prime (198904357).

It is a junction number, because it is equal to n+sod(n) for n = 198904295 and 198904304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79393 + ... + 81859.

It is an arithmetic number, because the mean of its divisors is an integer number (11505816).

Almost surely, 2^198904342 is an apocalyptic number.

198904342 is a deficient number, since it is larger than the sum of its proper divisors (169281770).

198904342 is a wasteful number, since it uses less digits than its factorization.

198904342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 198904342 is about 14103.3450642037. The cubic root of 198904342 is about 583.7336837738.

The spelling of 198904342 in words is "one hundred ninety-eight million, nine hundred four thousand, three hundred forty-two".