190641 has 16 divisors (see below), whose sum is σ = 285120. Its totient is φ = 112320.
The previous prime is 190639. The next prime is 190649. The reversal of 190641 is 146091.
190641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 190641 - 21 = 190639 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190649) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1695 + ... + 1803.
It is an arithmetic number, because the mean of its divisors is an integer number (17820).
2190641 is an apocalyptic number.
190641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
190641 is a deficient number, since it is larger than the sum of its proper divisors (94479).
190641 is a wasteful number, since it uses less digits than its factorization.
190641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 176.
The product of its (nonzero) digits is 216, while the sum is 21.
The square root of 190641 is about 436.6245526766. The cubic root of 190641 is about 57.5535481003.
The spelling of 190641 in words is "one hundred ninety thousand, six hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •