194376438 has 12 divisors (see below), whose sum is σ = 421148988. Its totient is φ = 64792140.

The previous prime is 194376437. The next prime is 194376451. The reversal of 194376438 is 834673491.

It is a junction number, because it is equal to n+sod(n) for n = 194376393 and 194376402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194376437) 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, 5399328 + ... + 5399363.

It is an arithmetic number, because the mean of its divisors is an integer number (35095749).

Almost surely, 2^194376438 is an apocalyptic number.

194376438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

194376438 is an abundant number, since it is smaller than the sum of its proper divisors (226772550).

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

194376438 is a wasteful number, since it uses less digits than its factorization.

194376438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10798699 (or 10798696 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 194376438 is about 13941.8950648755. The cubic root of 194376438 is about 579.2702256399.

The spelling of 194376438 in words is "one hundred ninety-four million, three hundred seventy-six thousand, four hundred thirty-eight".