190304528 has 20 divisors (see below), whose sum is σ = 390404700. Its totient is φ = 89554944.

The previous prime is 190304519. The next prime is 190304531. The reversal of 190304528 is 825403091.

It can be written as a sum of positive squares in 2 ways, for example, as 144769024 + 45535504 = 12032^2 + 6748^2 .

It is a junction number, because it is equal to n+sod(n) for n = 190304494 and 190304503.

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 3 ways as a sum of consecutive naturals, for example, 349553 + ... + 350096.

It is an arithmetic number, because the mean of its divisors is an integer number (19520235).

Almost surely, 2^190304528 is an apocalyptic number.

It is an amenable number.

190304528 is an abundant number, since it is smaller than the sum of its proper divisors (200100172).

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

190304528 is a wasteful number, since it uses less digits than its factorization.

190304528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699674 (or 699668 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 190304528 is about 13795.0907209775. The cubic root of 190304528 is about 575.1966843214.

The spelling of 190304528 in words is "one hundred ninety million, three hundred four thousand, five hundred twenty-eight".