199471594 has 16 divisors (see below), whose sum is σ = 356819328. Its totient is φ = 81770832.

The previous prime is 199471567. The next prime is 199471609. The reversal of 199471594 is 495174991.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309417 + ... + 310060.

It is an arithmetic number, because the mean of its divisors is an integer number (22301208).

Almost surely, 2^199471594 is an apocalyptic number.

199471594 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

199471594 is a deficient number, since it is larger than the sum of its proper divisors (157347734).

199471594 is a wasteful number, since it uses less digits than its factorization.

199471594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619509.

The product of its digits is 408240, while the sum is 49.

The square root of 199471594 is about 14123.4412945288. The cubic root of 199471594 is about 584.2880705681.

The spelling of 199471594 in words is "one hundred ninety-nine million, four hundred seventy-one thousand, five hundred ninety-four".