199946502 has 64 divisors (see below), whose sum is σ = 513999360. Its totient is φ = 56430432.

The previous prime is 199946491. The next prime is 199946533. The reversal of 199946502 is 205649991.

199946502 is a `hidden beast` number, since 19 + 99 + 46 + 502 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28188 + ... + 34560.

It is an arithmetic number, because the mean of its divisors is an integer number (8031240).

Almost surely, 2^199946502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199946502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256999680).

199946502 is an abundant number, since it is smaller than the sum of its proper divisors (314052858).

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

199946502 is a wasteful number, since it uses less digits than its factorization.

199946502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6474 (or 6468 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 199946502 is about 14140.2440572997. The cubic root of 199946502 is about 584.7513999590.

The spelling of 199946502 in words is "one hundred ninety-nine million, nine hundred forty-six thousand, five hundred two".