970209 has 24 divisors (see below), whose sum is σ = 1510080. Its totient is φ = 598752.

The previous prime is 970201. The next prime is 970213. The reversal of 970209 is 902079.

It is not a de Polignac number, because 970209 - 2³ = 970201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (970201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8847 + ... + 8955.

It is an arithmetic number, because the mean of its divisors is an integer number (62920).

2⁹⁷⁰²⁰⁹ is an apocalyptic number.

It is an amenable number.

970209 is a deficient number, since it is larger than the sum of its proper divisors (539871).

970209 is a wasteful number, since it uses less digits than its factorization.

970209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 970209 is about 984.9918781391. The cubic root of 970209 is about 98.9969389932.

The spelling of 970209 in words is "nine hundred seventy thousand, two hundred nine".