1030889 has 2 divisors, whose sum is σ = 1030890. Its totient is φ = 1030888.

The previous prime is 1030873. The next prime is 1030919. The reversal of 1030889 is 9880301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 795664 + 235225 = 892^2 + 485^2 .

It is an emirp because it is prime and its reverse (9880301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1030889 - 2⁴ = 1030873 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (1000889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515444 + 515445.

It is an arithmetic number, because the mean of its divisors is an integer number (515445).

2^1030889 is an apocalyptic number.

It is an amenable number.

1030889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030889 is an equidigital number, since it uses as much as digits as its factorization.

1030889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1030889 is about 1015.3270409085. The cubic root of 1030889 is about 101.0192101486.

The spelling of 1030889 in words is "one million, thirty thousand, eight hundred eighty-nine".