194429876 has 6 divisors (see below), whose sum is σ = 340252290. Its totient is φ = 97214936.

The previous prime is 194429863. The next prime is 194429881. The reversal of 194429876 is 678924491.

It can be written as a sum of positive squares in only one way, i.e., 194323600 + 106276 = 13940^2 + 326^2 .

It is a super-4 number, since 4×194429876⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24303731 + ... + 24303738.

It is an arithmetic number, because the mean of its divisors is an integer number (56708715).

Almost surely, 2^194429876 is an apocalyptic number.

It is an amenable number.

194429876 is a deficient number, since it is larger than the sum of its proper divisors (145822414).

194429876 is a wasteful number, since it uses less digits than its factorization.

194429876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48607473 (or 48607471 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The square root of 194429876 is about 13943.8113871352. The cubic root of 194429876 is about 579.3233051289.

The spelling of 194429876 in words is "one hundred ninety-four million, four hundred twenty-nine thousand, eight hundred seventy-six".