199291364 has 12 divisors (see below), whose sum is σ = 360786300. Its totient is φ = 96209568.

The previous prime is 199291333. The next prime is 199291373. The reversal of 199291364 is 463192991.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44089600 + 155201764 = 6640^2 + 12458^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858899 + ... + 859130.

It is an arithmetic number, because the mean of its divisors is an integer number (30065525).

Almost surely, 2^199291364 is an apocalyptic number.

It is an amenable number.

199291364 is a deficient number, since it is larger than the sum of its proper divisors (161494936).

199291364 is a wasteful number, since it uses less digits than its factorization.

199291364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718062 (or 1718060 counting only the distinct ones).

The product of its digits is 104976, while the sum is 44.

The square root of 199291364 is about 14117.0593255111. The cubic root of 199291364 is about 584.1120422110.

The spelling of 199291364 in words is "one hundred ninety-nine million, two hundred ninety-one thousand, three hundred sixty-four".