190734648 has 64 divisors (see below), whose sum is σ = 524482560. Its totient is φ = 57434496.

The previous prime is 190734647. The next prime is 190734659. The reversal of 190734648 is 846437091.

190734648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190734641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8161 + ... + 21167.

It is an arithmetic number, because the mean of its divisors is an integer number (8195040).

Almost surely, 2^190734648 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 190734648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262241280).

190734648 is an abundant number, since it is smaller than the sum of its proper divisors (333747912).

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

190734648 is a wasteful number, since it uses less digits than its factorization.

190734648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13076 (or 13072 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 190734648 is about 13810.6715260338. The cubic root of 190734648 is about 575.6297050925.

The spelling of 190734648 in words is "one hundred ninety million, seven hundred thirty-four thousand, six hundred forty-eight".