190605648 has 40 divisors (see below), whose sum is σ = 505710688. Its totient is φ = 61817472.

The previous prime is 190605647. The next prime is 190605659. The reversal of 190605648 is 846506091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190605643) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 51886 + ... + 55437.

Almost surely, 2^190605648 is an apocalyptic number.

It is an amenable number.

190605648 is an abundant number, since it is smaller than the sum of its proper divisors (315105040).

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

190605648 is a wasteful number, since it uses less digits than its factorization.

190605648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107371 (or 107365 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 190605648 is about 13806.0004345936. Note that the first 3 decimals coincide. The cubic root of 190605648 is about 575.4999035075.

The spelling of 190605648 in words is "one hundred ninety million, six hundred five thousand, six hundred forty-eight".