970391 has 2 divisors, whose sum is σ = 970392. Its totient is φ = 970390.

The previous prime is 970351. The next prime is 970421. The reversal of 970391 is 193079.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 970391 - 2¹⁴ = 954007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (970351) 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 as a sum of consecutive naturals, namely, 485195 + 485196.

It is an arithmetic number, because the mean of its divisors is an integer number (485196).

2⁹⁷⁰³⁹¹ is an apocalyptic number.

970391 is a deficient number, since it is larger than the sum of its proper divisors (1).

970391 is an equidigital number, since it uses as much as digits as its factorization.

970391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 970391 is about 985.0842603554. The cubic root of 970391 is about 99.0031288335.

The spelling of 970391 in words is "nine hundred seventy thousand, three hundred ninety-one".