194287272 has 16 divisors (see below), whose sum is σ = 485718240. Its totient is φ = 64762416.

The previous prime is 194287207. The next prime is 194287273. The reversal of 194287272 is 272782491.

It is a super-2 number, since 2×194287272² = 75495088122403968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (194287273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4047628 + ... + 4047675.

It is an arithmetic number, because the mean of its divisors is an integer number (30357390).

Almost surely, 2^194287272 is an apocalyptic number.

194287272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

194287272 is an abundant number, since it is smaller than the sum of its proper divisors (291430968).

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

194287272 is a wasteful number, since it uses less digits than its factorization.

194287272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8095312 (or 8095308 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 194287272 is about 13938.6969261836. The cubic root of 194287272 is about 579.1816361835.

The spelling of 194287272 in words is "one hundred ninety-four million, two hundred eighty-seven thousand, two hundred seventy-two".