194193952 has 12 divisors (see below), whose sum is σ = 382319406. Its totient is φ = 97096960.

The previous prime is 194193919. The next prime is 194193959. The reversal of 194193952 is 259391491.

It can be written as a sum of positive squares in only one way, i.e., 187032976 + 7160976 = 13676^2 + 2676^2 .

It is a super-2 number, since 2×194193952² = 75422581986756608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 194193899 and 194193908.

It is not an unprimeable number, because it can be changed into a prime (194193959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3034249 + ... + 3034312.

Almost surely, 2^194193952 is an apocalyptic number.

It is an amenable number.

194193952 is a deficient number, since it is larger than the sum of its proper divisors (188125454).

194193952 is an equidigital number, since it uses as much as digits as its factorization.

194193952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068571 (or 6068563 counting only the distinct ones).

The product of its digits is 87480, while the sum is 43.

The square root of 194193952 is about 13935.3490089054. The cubic root of 194193952 is about 579.0888905537.

The spelling of 194193952 in words is "one hundred ninety-four million, one hundred ninety-three thousand, nine hundred fifty-two".