636097 has 12 divisors (see below), whose sum is σ = 800128. Its totient is φ = 495000.

The previous prime is 636073. The next prime is 636107. The reversal of 636097 is 790636.

It is not a de Polignac number, because 636097 - 2⁷ = 635969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (636017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 472 + ... + 1222.

2⁶³⁶⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

636097 is a deficient number, since it is larger than the sum of its proper divisors (164031).

636097 is a wasteful number, since it uses less digits than its factorization.

636097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 636097 is about 797.5568945223. The cubic root of 636097 is about 86.0018478060.

The spelling of 636097 in words is "six hundred thirty-six thousand, ninety-seven".