28237097 has 16 divisors (see below), whose sum is σ = 35145600. Its totient is φ = 22135680.

The previous prime is 28237093. The next prime is 28237129. The reversal of 28237097 is 79073282.

It is not a de Polignac number, because 28237097 - 2² = 28237093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28237097.

It is not an unprimeable number, because it can be changed into a prime (28237091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197 + ... + 7517.

It is an arithmetic number, because the mean of its divisors is an integer number (2196600).

Almost surely, 2^28237097 is an apocalyptic number.

It is an amenable number.

28237097 is a deficient number, since it is larger than the sum of its proper divisors (6908503).

28237097 is a wasteful number, since it uses less digits than its factorization.

28237097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7376.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 28237097 is about 5313.8589555990. The cubic root of 28237097 is about 304.5135918034.

The spelling of 28237097 in words is "twenty-eight million, two hundred thirty-seven thousand, ninety-seven".