280284097 has 8 divisors (see below), whose sum is σ = 281990016. Its totient is φ = 278583552.

The previous prime is 280284091. The next prime is 280284127. The reversal of 280284097 is 790482082.

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 280284097 - 2³ = 280284089 is a prime.

It is a super-2 number, since 2×280284097² = 157118350062210818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (280284091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150828 + ... + 152674.

It is an arithmetic number, because the mean of its divisors is an integer number (35248752).

Almost surely, 2^280284097 is an apocalyptic number.

It is an amenable number.

280284097 is a deficient number, since it is larger than the sum of its proper divisors (1705919).

280284097 is a wasteful number, since it uses less digits than its factorization.

280284097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 280284097 is about 16741.6874000203. The cubic root of 280284097 is about 654.4344491814.

The spelling of 280284097 in words is "two hundred eighty million, two hundred eighty-four thousand, ninety-seven".