1070389 has 2 divisors, whose sum is σ = 1070390. Its totient is φ = 1070388.

The previous prime is 1070369. The next prime is 1070411. The reversal of 1070389 is 9830701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1034289 + 36100 = 1017^2 + 190^2 .

It is a cyclic number.

It is not a de Polignac number, because 1070389 - 2⁵ = 1070357 is a prime.

It is a super-2 number, since 2×1070389² = 2291465222642, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1070309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535194 + 535195.

It is an arithmetic number, because the mean of its divisors is an integer number (535195).

2^1070389 is an apocalyptic number.

It is an amenable number.

1070389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1070389 is an equidigital number, since it uses as much as digits as its factorization.

1070389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1070389 is about 1034.5960564394. The cubic root of 1070389 is about 102.2933054649.

The spelling of 1070389 in words is "one million, seventy thousand, three hundred eighty-nine".