194528334 has 128 divisors (see below), whose sum is σ = 533836800. Its totient is φ = 46569600.

The previous prime is 194528333. The next prime is 194528339. The reversal of 194528334 is 433825491.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 194528292 and 194528301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194528333) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 293964 + ... + 294624.

It is an arithmetic number, because the mean of its divisors is an integer number (4170600).

Almost surely, 2^194528334 is an apocalyptic number.

194528334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 194528334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266918400).

194528334 is an abundant number, since it is smaller than the sum of its proper divisors (339308466).

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

194528334 is a wasteful number, since it uses less digits than its factorization.

194528334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711 (or 697 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 194528334 is about 13947.3414671040. The cubic root of 194528334 is about 579.4210771206.

The spelling of 194528334 in words is "one hundred ninety-four million, five hundred twenty-eight thousand, three hundred thirty-four".