199961932 has 6 divisors (see below), whose sum is σ = 349933388. Its totient is φ = 99980964.

The previous prime is 199961929. The next prime is 199961933. The reversal of 199961932 is 239169991.

It is not an unprimeable number, because it can be changed into a prime (199961933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24995238 + ... + 24995245.

Almost surely, 2^199961932 is an apocalyptic number.

It is an amenable number.

199961932 is a deficient number, since it is larger than the sum of its proper divisors (149971456).

199961932 is a wasteful number, since it uses less digits than its factorization.

199961932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49990487 (or 49990485 counting only the distinct ones).

The product of its digits is 236196, while the sum is 49.

The square root of 199961932 is about 14140.7896526326. The cubic root of 199961932 is about 584.7664414525.

The spelling of 199961932 in words is "one hundred ninety-nine million, nine hundred sixty-one thousand, nine hundred thirty-two".