190961 has 8 divisors (see below), whose sum is σ = 207360. Its totient is φ = 175168.

The previous prime is 190921. The next prime is 190979. The reversal of 190961 is 169091.

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

It is a de Polignac number, because none of the positive numbers 2^k-190961 is a prime.

It is a super-2 number, since 2×190961² = 72932207042, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190961.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 190961.

It is not an unprimeable number, because it can be changed into a prime (190901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680 + ... + 918.

It is an arithmetic number, because the mean of its divisors is an integer number (25920).

2¹⁹⁰⁹⁶¹ is an apocalyptic number.

It is an amenable number.

190961 is a deficient number, since it is larger than the sum of its proper divisors (16399).

190961 is a wasteful number, since it uses less digits than its factorization.

190961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 190961 is about 436.9908465861. The cubic root of 190961 is about 57.5857322236.

The spelling of 190961 in words is "one hundred ninety thousand, nine hundred sixty-one".