194088438 has 48 divisors (see below), whose sum is σ = 430382160. Its totient is φ = 63191232.

The previous prime is 194088437. The next prime is 194088451. The reversal of 194088438 is 834880491.

It is a junction number, because it is equal to n+sod(n) for n = 194088393 and 194088402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194088437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370845 + ... + 371367.

It is an arithmetic number, because the mean of its divisors is an integer number (8966295).

Almost surely, 2^194088438 is an apocalyptic number.

194088438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

194088438 is an abundant number, since it is smaller than the sum of its proper divisors (236293722).

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

194088438 is a wasteful number, since it uses less digits than its factorization.

194088438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 194088438 is about 13931.5626546343. The cubic root of 194088438 is about 578.9839901790.

The spelling of 194088438 in words is "one hundred ninety-four million, eighty-eight thousand, four hundred thirty-eight".