199112432 has 40 divisors (see below), whose sum is σ = 409433616. Its totient is φ = 93479936.

The previous prime is 199112413. The next prime is 199112443. The reversal of 199112432 is 234211991.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209783 + ... + 210729.

Almost surely, 2^199112432 is an apocalyptic number.

It is an amenable number.

199112432 is an abundant number, since it is smaller than the sum of its proper divisors (210321184).

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

199112432 is a wasteful number, since it uses less digits than its factorization.

199112432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745 (or 1739 counting only the distinct ones).

The product of its digits is 3888, while the sum is 32.

The square root of 199112432 is about 14110.7204635341. The cubic root of 199112432 is about 583.9371765785.

The spelling of 199112432 in words is "one hundred ninety-nine million, one hundred twelve thousand, four hundred thirty-two".