280314009 has 24 divisors (see below), whose sum is σ = 409211712. Its totient is φ = 184897440.

The previous prime is 280313993. The next prime is 280314017. The reversal of 280314009 is 900413082.

It is not a de Polignac number, because 280314009 - 2⁴ = 280313993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (280313009) 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 23 ways as a sum of consecutive naturals, for example, 632542 + ... + 632984.

It is an arithmetic number, because the mean of its divisors is an integer number (17050488).

Almost surely, 2^280314009 is an apocalyptic number.

It is an amenable number.

280314009 is a deficient number, since it is larger than the sum of its proper divisors (128897703).

280314009 is a wasteful number, since it uses less digits than its factorization.

280314009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 280314009 is about 16742.5807150511. The cubic root of 280314009 is about 654.4577288312.

The spelling of 280314009 in words is "two hundred eighty million, three hundred fourteen thousand, nine".