199484927 has 2 divisors, whose sum is σ = 199484928. Its totient is φ = 199484926.

The previous prime is 199484917. The next prime is 199484947. The reversal of 199484927 is 729484991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 199484927 - 2¹⁰ = 199483903 is a prime.

It is a super-2 number, since 2×199484927² = 79588472200390658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199484917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99742463 + 99742464.

It is an arithmetic number, because the mean of its divisors is an integer number (99742464).

Almost surely, 2^199484927 is an apocalyptic number.

199484927 is a deficient number, since it is larger than the sum of its proper divisors (1).

199484927 is an equidigital number, since it uses as much as digits as its factorization.

199484927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 53.

The square root of 199484927 is about 14123.9133033306. The cubic root of 199484927 is about 584.3010885274.

The spelling of 199484927 in words is "one hundred ninety-nine million, four hundred eighty-four thousand, nine hundred twenty-seven".