194974426 has 8 divisors (see below), whose sum is σ = 292604544. Its totient is φ = 97439580.

The previous prime is 194974421. The next prime is 194974457. The reversal of 194974426 is 624479491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (194974421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18460 + ... + 27031.

It is an arithmetic number, because the mean of its divisors is an integer number (36575568).

Almost surely, 2^194974426 is an apocalyptic number.

194974426 is a deficient number, since it is larger than the sum of its proper divisors (97630118).

194974426 is a wasteful number, since it uses less digits than its factorization.

194974426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47636.

The product of its digits is 435456, while the sum is 46.

The square root of 194974426 is about 13963.3243176544. The cubic root of 194974426 is about 579.8636480903.

The spelling of 194974426 in words is "one hundred ninety-four million, nine hundred seventy-four thousand, four hundred twenty-six".