190868 has 6 divisors (see below), whose sum is σ = 334026. Its totient is φ = 95432.

The previous prime is 190843. The next prime is 190871. The reversal of 190868 is 868091.

190868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 145924 + 44944 = 382^2 + 212^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23855 + ... + 23862.

It is an arithmetic number, because the mean of its divisors is an integer number (55671).

2¹⁹⁰⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

190868 is a deficient number, since it is larger than the sum of its proper divisors (143158).

190868 is a wasteful number, since it uses less digits than its factorization.

190868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47721 (or 47719 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 190868 is about 436.8844240758. The cubic root of 190868 is about 57.5763824214.

The spelling of 190868 in words is "one hundred ninety thousand, eight hundred sixty-eight".