199261456 has 15 divisors (see below), whose sum is σ = 386178501. Its totient is φ = 99602496.

The previous prime is 199261453. The next prime is 199261507. The reversal of 199261456 is 654162991.

The square root of 199261456 is 14116.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 18627856 + 180633600 = 4316^2 + 13440^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199261453) 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 2 ways as a sum of consecutive naturals, for example, 54700 + ... + 58228.

Almost surely, 2^199261456 is an apocalyptic number.

199261456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

199261456 is the 14116-th square number.

It is an amenable number.

199261456 is a deficient number, since it is larger than the sum of its proper divisors (186917045).

199261456 is an frugal number, since it uses more digits than its factorization.

199261456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7066 (or 3531 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The cubic root of 199261456 is about 584.0828211807.

The spelling of 199261456 in words is "one hundred ninety-nine million, two hundred sixty-one thousand, four hundred fifty-six".