199117488 has 40 divisors (see below), whose sum is σ = 514917936. Its totient is φ = 66304000.

The previous prime is 199117459. The next prime is 199117493. The reversal of 199117488 is 884711991.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69688 + ... + 72488.

Almost surely, 2^199117488 is an apocalyptic number.

It is an amenable number.

199117488 is an abundant number, since it is smaller than the sum of its proper divisors (315800448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199117488 is a wasteful number, since it uses less digits than its factorization.

199117488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4293 (or 4287 counting only the distinct ones).

The product of its digits is 145152, while the sum is 48.

The square root of 199117488 is about 14110.8996169628. The cubic root of 199117488 is about 583.9421191150.

The spelling of 199117488 in words is "one hundred ninety-nine million, one hundred seventeen thousand, four hundred eighty-eight".