194738446 has 12 divisors (see below), whose sum is σ = 339798888. Its totient is φ = 83459292.

The previous prime is 194738407. The next prime is 194738449. The reversal of 194738446 is 644837491.

It is a junction number, because it is equal to n+sod(n) for n = 194738396 and 194738405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194738449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 993466 + ... + 993661.

It is an arithmetic number, because the mean of its divisors is an integer number (28316574).

Almost surely, 2^194738446 is an apocalyptic number.

194738446 is a deficient number, since it is larger than the sum of its proper divisors (145060442).

194738446 is a wasteful number, since it uses less digits than its factorization.

194738446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987143 (or 1987136 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 194738446 is about 13954.8717658028. The cubic root of 194738446 is about 579.6296148917.

The spelling of 194738446 in words is "one hundred ninety-four million, seven hundred thirty-eight thousand, four hundred forty-six".