194639248 has 20 divisors (see below), whose sum is σ = 393510528. Its totient is φ = 93088160.

The previous prime is 194639219. The next prime is 194639257. The reversal of 194639248 is 842936491.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 194639198 and 194639207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264088 + ... + 264823.

Almost surely, 2^194639248 is an apocalyptic number.

It is an amenable number.

194639248 is an abundant number, since it is smaller than the sum of its proper divisors (198871280).

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

194639248 is a wasteful number, since it uses less digits than its factorization.

194639248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528942 (or 528936 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 194639248 is about 13951.3170704418. The cubic root of 194639248 is about 579.5311788176.

The spelling of 194639248 in words is "one hundred ninety-four million, six hundred thirty-nine thousand, two hundred forty-eight".