280106193 has 8 divisors (see below), whose sum is σ = 374677056. Its totient is φ = 186136400.

The previous prime is 280106191. The next prime is 280106201. The reversal of 280106193 is 391601082.

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 280106193 - 2¹ = 280106191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 280106193.

It is not an unprimeable number, because it can be changed into a prime (280106191) 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, 149178 + ... + 151043.

It is an arithmetic number, because the mean of its divisors is an integer number (46834632).

Almost surely, 2^280106193 is an apocalyptic number.

It is an amenable number.

280106193 is a deficient number, since it is larger than the sum of its proper divisors (94570863).

280106193 is a wasteful number, since it uses less digits than its factorization.

280106193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300535.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 280106193 is about 16736.3733526711. The cubic root of 280106193 is about 654.2959573806.

The spelling of 280106193 in words is "two hundred eighty million, one hundred six thousand, one hundred ninety-three".