194821485 has 8 divisors (see below), whose sum is σ = 311714400. Its totient is φ = 103904784.

The previous prime is 194821483. The next prime is 194821489. The reversal of 194821485 is 584128491.

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

It is not a de Polignac number, because 194821485 - 2¹ = 194821483 is a prime.

It is a super-2 number, since 2×194821485² = 75910822035210450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194821483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6494035 + ... + 6494064.

It is an arithmetic number, because the mean of its divisors is an integer number (38964300).

Almost surely, 2^194821485 is an apocalyptic number.

194821485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

194821485 is a deficient number, since it is larger than the sum of its proper divisors (116892915).

194821485 is a wasteful number, since it uses less digits than its factorization.

194821485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12988107.

The product of its digits is 92160, while the sum is 42.

The square root of 194821485 is about 13957.8467178860. The cubic root of 194821485 is about 579.7119903802.

The spelling of 194821485 in words is "one hundred ninety-four million, eight hundred twenty-one thousand, four hundred eighty-five".