890073 has 6 divisors (see below), whose sum is σ = 1285674. Its totient is φ = 593376.

The previous prime is 890063. The next prime is 890083. The reversal of 890073 is 370098.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (890063) and next prime (890083).

It can be written as a sum of positive squares in only one way, i.e., 751689 + 138384 = 867^2 + 372^2 .

It is not a de Polignac number, because 890073 - 2¹² = 885977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (890003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49440 + ... + 49457.

It is an arithmetic number, because the mean of its divisors is an integer number (214279).

2⁸⁹⁰⁰⁷³ is an apocalyptic number.

It is an amenable number.

890073 is a deficient number, since it is larger than the sum of its proper divisors (395601).

890073 is a wasteful number, since it uses less digits than its factorization.

890073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98903 (or 98900 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 890073 is about 943.4368023350. The cubic root of 890073 is about 96.1926470032.

The spelling of 890073 in words is "eight hundred ninety thousand, seventy-three".