190949 has 4 divisors (see below), whose sum is σ = 208320. Its totient is φ = 173580.

The previous prime is 190921. The next prime is 190979. The reversal of 190949 is 949091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-190949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8669 + ... + 8690.

It is an arithmetic number, because the mean of its divisors is an integer number (52080).

2¹⁹⁰⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

190949 is a deficient number, since it is larger than the sum of its proper divisors (17371).

190949 is a wasteful number, since it uses less digits than its factorization.

190949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17370.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 190949 is about 436.9771161056. The cubic root of 190949 is about 57.5845259681.

The spelling of 190949 in words is "one hundred ninety thousand, nine hundred forty-nine".