190539830 has 16 divisors (see below), whose sum is σ = 369354384. Its totient is φ = 70353120.

The previous prime is 190539827. The next prime is 190539841. The reversal of 190539830 is 38935091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732716 + ... + 732975.

It is an arithmetic number, because the mean of its divisors is an integer number (23084649).

Almost surely, 2^190539830 is an apocalyptic number.

190539830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190539830 is a deficient number, since it is larger than the sum of its proper divisors (178814554).

190539830 is a wasteful number, since it uses less digits than its factorization.

190539830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465711.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 190539830 is about 13803.6165550916. The cubic root of 190539830 is about 575.4336539607.

The spelling of 190539830 in words is "one hundred ninety million, five hundred thirty-nine thousand, eight hundred thirty".