28637097 has 16 divisors (see below), whose sum is σ = 39619008. Its totient is φ = 18385920.

The previous prime is 28637083. The next prime is 28637099. The reversal of 28637097 is 79073682.

It is not a de Polignac number, because 28637097 - 2⁶ = 28637033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28637099) 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, 7897 + ... + 10937.

It is an arithmetic number, because the mean of its divisors is an integer number (2476188).

Almost surely, 2^28637097 is an apocalyptic number.

It is an amenable number.

28637097 is a deficient number, since it is larger than the sum of its proper divisors (10981911).

28637097 is a wasteful number, since it uses less digits than its factorization.

28637097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 28637097 is about 5351.3640317213. The cubic root of 28637097 is about 305.9447441772.

The spelling of 28637097 in words is "twenty-eight million, six hundred thirty-seven thousand, ninety-seven".