890887 has 2 divisors, whose sum is σ = 890888. Its totient is φ = 890886.

The previous prime is 890881. The next prime is 890893. The reversal of 890887 is 788098.

It is a balanced prime because it is at equal distance from previous prime (890881) and next prime (890893).

It is a cyclic number.

It is not a de Polignac number, because 890887 - 2¹⁹ = 366599 is a prime.

890887 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (890881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445443 + 445444.

It is an arithmetic number, because the mean of its divisors is an integer number (445444).

2⁸⁹⁰⁸⁸⁷ is an apocalyptic number.

890887 is a deficient number, since it is larger than the sum of its proper divisors (1).

890887 is an equidigital number, since it uses as much as digits as its factorization.

890887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 890887 is about 943.8681051927. The cubic root of 890887 is about 96.2219618112.

The spelling of 890887 in words is "eight hundred ninety thousand, eight hundred eighty-seven".