8970389 has 2 divisors, whose sum is σ = 8970390. Its totient is φ = 8970388.

The previous prime is 8970361. The next prime is 8970421. The reversal of 8970389 is 9830798.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6916900 + 2053489 = 2630^2 + 1433^2 .

It is a cyclic number.

It is not a de Polignac number, because 8970389 - 2⁸ = 8970133 is a prime.

It is a super-2 number, since 2×8970389² = 160935757622642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8970319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4485194 + 4485195.

It is an arithmetic number, because the mean of its divisors is an integer number (4485195).

Almost surely, 2^8970389 is an apocalyptic number.

It is an amenable number.

8970389 is a deficient number, since it is larger than the sum of its proper divisors (1).

8970389 is an equidigital number, since it uses as much as digits as its factorization.

8970389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 8970389 is about 2995.0607673301. The cubic root of 8970389 is about 207.7800080997.

The spelling of 8970389 in words is "eight million, nine hundred seventy thousand, three hundred eighty-nine".