890671 has 2 divisors, whose sum is σ = 890672. Its totient is φ = 890670.

The previous prime is 890657. The next prime is 890683. The reversal of 890671 is 176098.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 890671 - 2⁷ = 890543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (890371) 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, 445335 + 445336.

It is an arithmetic number, because the mean of its divisors is an integer number (445336).

2⁸⁹⁰⁶⁷¹ is an apocalyptic number.

890671 is a deficient number, since it is larger than the sum of its proper divisors (1).

890671 is an equidigital number, since it uses as much as digits as its factorization.

890671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 890671 is about 943.7536754895. The cubic root of 890671 is about 96.2141846843.

The spelling of 890671 in words is "eight hundred ninety thousand, six hundred seventy-one".