199969962 has 16 divisors (see below), whose sum is σ = 404064192. Its totient is φ = 65969280.

The previous prime is 199969961. The next prime is 199969967. The reversal of 199969962 is 269969991.

It is a junction number, because it is equal to n+sod(n) for n = 199969896 and 199969905.

It is not an unprimeable number, because it can be changed into a prime (199969961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171214 + ... + 172377.

It is an arithmetic number, because the mean of its divisors is an integer number (25254012).

Almost surely, 2^199969962 is an apocalyptic number.

199969962 is an abundant number, since it is smaller than the sum of its proper divisors (204094230).

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

199969962 is a wasteful number, since it uses less digits than its factorization.

199969962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343693.

The product of its digits is 4251528, while the sum is 60.

The square root of 199969962 is about 14141.0735801777. The cubic root of 199969962 is about 584.7742689618.

The spelling of 199969962 in words is "one hundred ninety-nine million, nine hundred sixty-nine thousand, nine hundred sixty-two".