970999 has 2 divisors, whose sum is σ = 971000. Its totient is φ = 970998.

The previous prime is 970997. The next prime is 971021. The reversal of 970999 is 999079.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 970999 - 2¹ = 970997 is a prime.

Together with 970997, it forms a pair of twin primes.

970999 is a modest number, since divided by 999 gives 970 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (970997) 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, 485499 + 485500.

It is an arithmetic number, because the mean of its divisors is an integer number (485500).

2⁹⁷⁰⁹⁹⁹ is an apocalyptic number.

970999 is a deficient number, since it is larger than the sum of its proper divisors (1).

970999 is an equidigital number, since it uses as much as digits as its factorization.

970999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45927, while the sum is 43.

The square root of 970999 is about 985.3928150743. The cubic root of 970999 is about 99.0238013718.

It can be divided in two parts, 9709 and 99, that multiplied together give a triangular number (961191 = T₁₃₈₆).

The spelling of 970999 in words is "nine hundred seventy thousand, nine hundred ninety-nine".