890867 has 2 divisors, whose sum is σ = 890868. Its totient is φ = 890866.

The previous prime is 890863. The next prime is 890881. The reversal of 890867 is 768098.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 890867 - 2² = 890863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 890867.

It is not a weakly prime, because it can be changed into another prime (890861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445433 + 445434.

It is an arithmetic number, because the mean of its divisors is an integer number (445434).

2⁸⁹⁰⁸⁶⁷ is an apocalyptic number.

890867 is a deficient number, since it is larger than the sum of its proper divisors (1).

890867 is an equidigital number, since it uses as much as digits as its factorization.

890867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 890867 is about 943.8575104326. The cubic root of 890867 is about 96.2212417597.

The spelling of 890867 in words is "eight hundred ninety thousand, eight hundred sixty-seven".