190782849 has 8 divisors (see below), whose sum is σ = 254460672. Its totient is φ = 127146800.

The previous prime is 190782847. The next prime is 190782859. The reversal of 190782849 is 948287091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190782849 - 2¹ = 190782847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 190782798 and 190782807.

It is not an unprimeable number, because it can be changed into a prime (190782847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2512 + ... + 19694.

It is an arithmetic number, because the mean of its divisors is an integer number (31807584).

Almost surely, 2^190782849 is an apocalyptic number.

It is an amenable number.

190782849 is a deficient number, since it is larger than the sum of its proper divisors (63677823).

190782849 is a wasteful number, since it uses less digits than its factorization.

190782849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20887.

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 190782849 is about 13812.4164793855. The cubic root of 190782849 is about 575.6781905858.

The spelling of 190782849 in words is "one hundred ninety million, seven hundred eighty-two thousand, eight hundred forty-nine".