194933855 has 12 divisors (see below), whose sum is σ = 244536600. Its totient is φ = 149164752.

The previous prime is 194933839. The next prime is 194933861. The reversal of 194933855 is 558339491.

It is not a de Polignac number, because 194933855 - 2⁴ = 194933839 is a prime.

It is a super-2 number, since 2×194933855² = 75998415650322050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34205 + ... + 39494.

It is an arithmetic number, because the mean of its divisors is an integer number (20378050).

Almost surely, 2^194933855 is an apocalyptic number.

194933855 is a deficient number, since it is larger than the sum of its proper divisors (49602745).

194933855 is an equidigital number, since it uses as much as digits as its factorization.

194933855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73750 (or 73727 counting only the distinct ones).

The product of its digits is 583200, while the sum is 47.

The square root of 194933855 is about 13961.8714719768. The cubic root of 194933855 is about 579.8234252424.

The spelling of 194933855 in words is "one hundred ninety-four million, nine hundred thirty-three thousand, eight hundred fifty-five".