920197 has 2 divisors, whose sum is σ = 920198. Its totient is φ = 920196.

The previous prime is 920167. The next prime is 920201. The reversal of 920197 is 791029.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 894916 + 25281 = 946^2 + 159^2 .

It is an emirp because it is prime and its reverse (791029) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 920197 - 2¹¹ = 918149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460098 + 460099.

It is an arithmetic number, because the mean of its divisors is an integer number (460099).

2⁹²⁰¹⁹⁷ is an apocalyptic number.

It is an amenable number.

920197 is a deficient number, since it is larger than the sum of its proper divisors (1).

920197 is an equidigital number, since it uses as much as digits as its factorization.

920197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 920197 is about 959.2689925146. The cubic root of 920197 is about 97.2658241554.

The spelling of 920197 in words is "nine hundred twenty thousand, one hundred ninety-seven".