194438882 has 16 divisors (see below), whose sum is σ = 328437504. Its totient is φ = 85530000.

The previous prime is 194438869. The next prime is 194438897. The reversal of 194438882 is 288834491.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141869 + ... + 143232.

It is an arithmetic number, because the mean of its divisors is an integer number (20527344).

Almost surely, 2^194438882 is an apocalyptic number.

194438882 is a deficient number, since it is larger than the sum of its proper divisors (133998622).

194438882 is a wasteful number, since it uses less digits than its factorization.

194438882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285145.

The product of its digits is 442368, while the sum is 47.

The square root of 194438882 is about 13944.1343223593. The cubic root of 194438882 is about 579.3322497507.

The spelling of 194438882 in words is "one hundred ninety-four million, four hundred thirty-eight thousand, eight hundred eighty-two".