280004373 has 12 divisors (see below), whose sum is σ = 441219168. Its totient is φ = 169699560.

The previous prime is 280004359. The next prime is 280004407. The reversal of 280004373 is 373400082.

It is not a de Polignac number, because 280004373 - 2⁸ = 280004117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280004173) 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 11 ways as a sum of consecutive naturals, for example, 1414065 + ... + 1414262.

It is an arithmetic number, because the mean of its divisors is an integer number (36768264).

Almost surely, 2^280004373 is an apocalyptic number.

It is an amenable number.

280004373 is a deficient number, since it is larger than the sum of its proper divisors (161214795).

280004373 is a wasteful number, since it uses less digits than its factorization.

280004373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828344 (or 2828341 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 280004373 is about 16733.3311985390. The cubic root of 280004373 is about 654.2166678231.

The spelling of 280004373 in words is "two hundred eighty million, four thousand, three hundred seventy-three".