198698502 has 8 divisors (see below), whose sum is σ = 397397016. Its totient is φ = 66232832.

The previous prime is 198698501. The next prime is 198698519. The reversal of 198698502 is 205896891.

It is a happy number.

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

198698502 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198698501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16558203 + ... + 16558214.

It is an arithmetic number, because the mean of its divisors is an integer number (49674627).

Almost surely, 2^198698502 is an apocalyptic number.

198698502 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.

198698502 is a wasteful number, since it uses less digits than its factorization.

198698502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33116422.

The product of its (nonzero) digits is 311040, while the sum is 48.

The square root of 198698502 is about 14096.0456157037. The cubic root of 198698502 is about 583.5322515801.

It can be divided in two parts, 198 and 698502, that multiplied together give a triangular number (138303396 = T₁₆₆₃₁).

The spelling of 198698502 in words is "one hundred ninety-eight million, six hundred ninety-eight thousand, five hundred two".