199487496 has 64 divisors (see below), whose sum is σ = 546235200. Its totient is φ = 60334848.

The previous prime is 199487489. The next prime is 199487501. The reversal of 199487496 is 694784991.

It is a super-2 number, since 2×199487496² = 79590522120700032, which contains 22 as substring.

It is a house number.

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 15 ways as a sum of consecutive naturals, for example, 12990 + ... + 23826.

It is an arithmetic number, because the mean of its divisors is an integer number (8534925).

Almost surely, 2^199487496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199487496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273117600).

199487496 is an abundant number, since it is smaller than the sum of its proper divisors (346747704).

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

199487496 is a wasteful number, since it uses less digits than its factorization.

199487496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10918 (or 10914 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 57.

The square root of 199487496 is about 14124.0042480877. The cubic root of 199487496 is about 584.3035967587.

The spelling of 199487496 in words is "one hundred ninety-nine million, four hundred eighty-seven thousand, four hundred ninety-six".