198431034 has 8 divisors (see below), whose sum is σ = 396862080. Its totient is φ = 66143676.

The previous prime is 198431017. The next prime is 198431053. The reversal of 198431034 is 430134891.

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

198431034 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 198430986 and 198431004.

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, 16535914 + ... + 16535925.

It is an arithmetic number, because the mean of its divisors is an integer number (49607760).

Almost surely, 2^198431034 is an apocalyptic number.

198431034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

198431034 is a wasteful number, since it uses less digits than its factorization.

198431034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33071844.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 198431034 is about 14086.5550792236. Note that the first 3 decimals coincide. The cubic root of 198431034 is about 583.2703031398.

The spelling of 198431034 in words is "one hundred ninety-eight million, four hundred thirty-one thousand, thirty-four".