194987296 has 24 divisors (see below), whose sum is σ = 438721920. Its totient is φ = 83565888.

The previous prime is 194987279. The next prime is 194987381. The reversal of 194987296 is 692789491.

It is an unprimeable number.

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, 435016 + ... + 435463.

It is an arithmetic number, because the mean of its divisors is an integer number (18280080).

Almost surely, 2^194987296 is an apocalyptic number.

194987296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

194987296 is an abundant number, since it is smaller than the sum of its proper divisors (243734624).

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

194987296 is an equidigital number, since it uses as much as digits as its factorization.

194987296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870496 (or 870488 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 55.

The square root of 194987296 is about 13963.7851601921. The cubic root of 194987296 is about 579.8764064831.

The spelling of 194987296 in words is "one hundred ninety-four million, nine hundred eighty-seven thousand, two hundred ninety-six".