890173 has 4 divisors (see below), whose sum is σ = 904828. Its totient is φ = 875520.

The previous prime is 890161. The next prime is 890177. The reversal of 890173 is 371098.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49284 + 840889 = 222^2 + 917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-890173 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7236 + ... + 7357.

It is an arithmetic number, because the mean of its divisors is an integer number (226207).

2⁸⁹⁰¹⁷³ is an apocalyptic number.

It is an amenable number.

890173 is a deficient number, since it is larger than the sum of its proper divisors (14655).

890173 is a wasteful number, since it uses less digits than its factorization.

890173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14654.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 890173 is about 943.4897985670. The cubic root of 890173 is about 96.1962492937.

The spelling of 890173 in words is "eight hundred ninety thousand, one hundred seventy-three".