199911464 has 48 divisors (see below), whose sum is σ = 401949600. Its totient is φ = 92945664.

The previous prime is 199911443. The next prime is 199911473. The reversal of 199911464 is 464119991.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1769072 + ... + 1769184.

It is an arithmetic number, because the mean of its divisors is an integer number (8373950).

Almost surely, 2^199911464 is an apocalyptic number.

It is an amenable number.

199911464 is an abundant number, since it is smaller than the sum of its proper divisors (202038136).

199911464 is a wasteful number, since it uses less digits than its factorization.

199911464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 237 counting only the distinct ones).

The product of its digits is 69984, while the sum is 44.

The square root of 199911464 is about 14139.0050569338. The cubic root of 199911464 is about 584.7172412945.

The spelling of 199911464 in words is "one hundred ninety-nine million, nine hundred eleven thousand, four hundred sixty-four".