194987032 has 16 divisors (see below), whose sum is σ = 365795640. Its totient is φ = 97441536.

The previous prime is 194986969. The next prime is 194987041. The reversal of 194987032 is 230789491.

It is a self number, because there is not a number n which added to its sum of digits gives 194987032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12823 + ... + 23545.

Almost surely, 2^194987032 is an apocalyptic number.

It is an amenable number.

194987032 is a deficient number, since it is larger than the sum of its proper divisors (170808608).

194987032 is a wasteful number, since it uses less digits than its factorization.

194987032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13002 (or 12998 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 194987032 is about 13963.7757071646. The cubic root of 194987032 is about 579.8761447781.

The spelling of 194987032 in words is "one hundred ninety-four million, nine hundred eighty-seven thousand, thirty-two".