970909 has 2 divisors, whose sum is σ = 970910. Its totient is φ = 970908.

The previous prime is 970903. The next prime is 970927. The reversal of 970909 is 909079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 511225 + 459684 = 715^2 + 678^2 .

It is a cyclic number.

It is not a de Polignac number, because 970909 - 2⁵ = 970877 is a prime.

970909 is a modest number, since divided by 909 gives 97 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (970903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485454 + 485455.

It is an arithmetic number, because the mean of its divisors is an integer number (485455).

2⁹⁷⁰⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

970909 is a deficient number, since it is larger than the sum of its proper divisors (1).

970909 is an equidigital number, since it uses as much as digits as its factorization.

970909 is an odious number, because the sum of its binary digits is odd.

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

The square root of 970909 is about 985.3471469487. The cubic root of 970909 is about 99.0207418364.

The spelling of 970909 in words is "nine hundred seventy thousand, nine hundred nine".