190650915 has 120 divisors (see below), whose sum is σ = 428717520. Its totient is φ = 80341632.

The previous prime is 190650907. The next prime is 190650947. The reversal of 190650915 is 519056091.

190650915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 190650915 - 2³ = 190650907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 190650915.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 257616 + ... + 258354.

It is an arithmetic number, because the mean of its divisors is an integer number (3572646).

Almost surely, 2^190650915 is an apocalyptic number.

190650915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

190650915 is an abundant number, since it is smaller than the sum of its proper divisors (238066605).

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

190650915 is a wasteful number, since it uses less digits than its factorization.

190650915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783 (or 767 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 36.

The square root of 190650915 is about 13807.6397331332. The cubic root of 190650915 is about 575.5454584572.

The spelling of 190650915 in words is "one hundred ninety million, six hundred fifty thousand, nine hundred fifteen".