190530908 has 12 divisors (see below), whose sum is σ = 342440952. Its totient is φ = 92690640.

The previous prime is 190530887. The next prime is 190530913. The reversal of 190530908 is 809035091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643538 + ... + 643833.

It is an arithmetic number, because the mean of its divisors is an integer number (28536746).

Almost surely, 2^190530908 is an apocalyptic number.

It is an amenable number.

190530908 is a deficient number, since it is larger than the sum of its proper divisors (151910044).

190530908 is a wasteful number, since it uses less digits than its factorization.

190530908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287412 (or 1287410 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 190530908 is about 13803.2933751333. The cubic root of 190530908 is about 575.4246722879.

Adding to 190530908 its reverse (809035091), we get a palindrome (999565999).

The spelling of 190530908 in words is "one hundred ninety million, five hundred thirty thousand, nine hundred eight".