194828543 has 8 divisors (see below), whose sum is σ = 239789088. Its totient is φ = 154149984.

The previous prime is 194828539. The next prime is 194828549. The reversal of 194828543 is 345828491.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 194828543 - 2² = 194828539 is a prime.

It is a super-2 number, since 2×194828543² = 75916322335005698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 194828494 and 194828503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194828549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070396 + ... + 1070577.

It is an arithmetic number, because the mean of its divisors is an integer number (29973636).

Almost surely, 2^194828543 is an apocalyptic number.

194828543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

194828543 is a deficient number, since it is larger than the sum of its proper divisors (44960545).

194828543 is a wasteful number, since it uses less digits than its factorization.

194828543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140993.

The product of its digits is 276480, while the sum is 44.

The square root of 194828543 is about 13958.0995482909. The cubic root of 194828543 is about 579.7189909048.

The spelling of 194828543 in words is "one hundred ninety-four million, eight hundred twenty-eight thousand, five hundred forty-three".