280980982 has 8 divisors (see below), whose sum is σ = 427762296. Its totient is φ = 138393552.

The previous prime is 280980977. The next prime is 280981003. The reversal of 280980982 is 289089082.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048303 + ... + 1048570.

It is an arithmetic number, because the mean of its divisors is an integer number (53470287).

Almost surely, 2^280980982 is an apocalyptic number.

280980982 is a deficient number, since it is larger than the sum of its proper divisors (146781314).

280980982 is a wasteful number, since it uses less digits than its factorization.

280980982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096942.

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 280980982 is about 16762.4873452600. The cubic root of 280980982 is about 654.9763851401.

The spelling of 280980982 in words is "two hundred eighty million, nine hundred eighty thousand, nine hundred eighty-two".