190988608 has 56 divisors (see below), whose sum is σ = 422452800. Its totient is φ = 85137408.

The previous prime is 190988593. The next prime is 190988639. The reversal of 190988608 is 806889091.

It is a happy number.

It is a congruent number.

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, 16053 + ... + 25291.

It is an arithmetic number, because the mean of its divisors is an integer number (7543800).

Almost surely, 2^190988608 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 190988608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211226400).

190988608 is an abundant number, since it is smaller than the sum of its proper divisors (231464192).

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

190988608 is a wasteful number, since it uses less digits than its factorization.

190988608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9287 (or 9277 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 49.

The square root of 190988608 is about 13819.8628068444. The cubic root of 190988608 is about 575.8850722349.

The spelling of 190988608 in words is "one hundred ninety million, nine hundred eighty-eight thousand, six hundred eight".