280231036 has 12 divisors (see below), whose sum is σ = 497311920. Its totient is φ = 138141920.

The previous prime is 280231033. The next prime is 280231069. The reversal of 280231036 is 630132082.

It is a self number, because there is not a number n which added to its sum of digits gives 280231036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280231033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493081 + ... + 493648.

It is an arithmetic number, because the mean of its divisors is an integer number (41442660).

Almost surely, 2^280231036 is an apocalyptic number.

It is an amenable number.

280231036 is a deficient number, since it is larger than the sum of its proper divisors (217080884).

280231036 is a wasteful number, since it uses less digits than its factorization.

280231036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986804 (or 986802 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 280231036 is about 16740.1026281203. The cubic root of 280231036 is about 654.3931492549.

The spelling of 280231036 in words is "two hundred eighty million, two hundred thirty-one thousand, thirty-six".