190873 has 4 divisors (see below), whose sum is σ = 192208. Its totient is φ = 189540.

The previous prime is 190871. The next prime is 190889. The reversal of 190873 is 378091.

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, and also an emirpimes, since its reverse is a distinct semiprime: 378091 = 7 ⋅54013.

It is a cyclic number.

It is not a de Polignac number, because 190873 - 2¹ = 190871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423 + ... + 748.

It is an arithmetic number, because the mean of its divisors is an integer number (48052).

2¹⁹⁰⁸⁷³ is an apocalyptic number.

It is an amenable number.

190873 is a deficient number, since it is larger than the sum of its proper divisors (1335).

190873 is a wasteful number, since it uses less digits than its factorization.

190873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 190873 is about 436.8901463755. The cubic root of 190873 is about 57.5768851762.

The spelling of 190873 in words is "one hundred ninety thousand, eight hundred seventy-three".