190963873 has 4 divisors (see below), whose sum is σ = 202197060. Its totient is φ = 179730688.

The previous prime is 190963849. The next prime is 190963891. The reversal of 190963873 is 378369091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 129231424 + 61732449 = 11368^2 + 7857^2 .

It is a cyclic number.

It is not a de Polignac number, because 190963873 - 2⁵ = 190963841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190963573) 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, 5616568 + ... + 5616601.

It is an arithmetic number, because the mean of its divisors is an integer number (50549265).

Almost surely, 2^190963873 is an apocalyptic number.

It is an amenable number.

190963873 is a deficient number, since it is larger than the sum of its proper divisors (11233187).

190963873 is a wasteful number, since it uses less digits than its factorization.

190963873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11233186.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 190963873 is about 13818.9678702861. The cubic root of 190963873 is about 575.8602101373.

The spelling of 190963873 in words is "one hundred ninety million, nine hundred sixty-three thousand, eight hundred seventy-three".