909097 has 6 divisors (see below), whose sum is σ = 1057578. Its totient is φ = 779184.

The previous prime is 909091. The next prime is 909107. The reversal of 909097 is 790909.

It can be written as a sum of positive squares in only one way, i.e., 571536 + 337561 = 756^2 + 581^2 .

It is not a de Polignac number, because 909097 - 2³ = 909089 is a prime.

It is a Duffinian number.

909097 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (909091) 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 5 ways as a sum of consecutive naturals, for example, 9228 + ... + 9325.

It is an arithmetic number, because the mean of its divisors is an integer number (176263).

2⁹⁰⁹⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

909097 is a deficient number, since it is larger than the sum of its proper divisors (148481).

909097 is a wasteful number, since it uses less digits than its factorization.

909097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18567 (or 18560 counting only the distinct ones).

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 909097 is about 953.4657833399. The cubic root of 909097 is about 96.8731469642.

The spelling of 909097 in words is "nine hundred nine thousand, ninety-seven".