190700849 has 16 divisors (see below), whose sum is σ = 208983888. Its totient is φ = 173279232.

The previous prime is 190700833. The next prime is 190700869. The reversal of 190700849 is 948007091.

It can be written as a sum of positive squares in 8 ways, for example, as 92294449 + 98406400 = 9607^2 + 9920^2 .

It is not a de Polignac number, because 190700849 - 2⁴ = 190700833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190700869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85067 + ... + 87279.

It is an arithmetic number, because the mean of its divisors is an integer number (13061493).

Almost surely, 2^190700849 is an apocalyptic number.

It is an amenable number.

190700849 is a deficient number, since it is larger than the sum of its proper divisors (18283039).

190700849 is a wasteful number, since it uses less digits than its factorization.

190700849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 190700849 is about 13809.4478166218. The cubic root of 190700849 is about 575.5957017307.

The spelling of 190700849 in words is "one hundred ninety million, seven hundred thousand, eight hundred forty-nine".