190981343 has 8 divisors (see below), whose sum is σ = 218352288. Its totient is φ = 163632384.

The previous prime is 190981339. The next prime is 190981379. The reversal of 190981343 is 343189091.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190981343 - 2² = 190981339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 190981297 and 190981306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190981333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22955 + ... + 30147.

It is an arithmetic number, because the mean of its divisors is an integer number (27294036).

Almost surely, 2^190981343 is an apocalyptic number.

190981343 is a deficient number, since it is larger than the sum of its proper divisors (27370945).

190981343 is an equidigital number, since it uses as much as digits as its factorization.

190981343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10993.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 190981343 is about 13819.5999580306. The cubic root of 190981343 is about 575.8777701273.

The spelling of 190981343 in words is "one hundred ninety million, nine hundred eighty-one thousand, three hundred forty-three".