194927438 has 16 divisors (see below), whose sum is σ = 305665920. Its totient is φ = 93054456.

The previous prime is 194927437. The next prime is 194927443. The reversal of 194927438 is 834729491.

It is a junction number, because it is equal to n+sod(n) for n = 194927392 and 194927401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194927431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23393 + ... + 30611.

It is an arithmetic number, because the mean of its divisors is an integer number (19104120).

Almost surely, 2^194927438 is an apocalyptic number.

194927438 is a deficient number, since it is larger than the sum of its proper divisors (110738482).

194927438 is a wasteful number, since it uses less digits than its factorization.

194927438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7831.

The product of its digits is 435456, while the sum is 47.

The square root of 194927438 is about 13961.6416656495. The cubic root of 194927438 is about 579.8170627975.

The spelling of 194927438 in words is "one hundred ninety-four million, nine hundred twenty-seven thousand, four hundred thirty-eight".