873090 has 48 divisors (see below), whose sum is σ = 2316600. Its totient is φ = 228096.

The previous prime is 873083. The next prime is 873091. The reversal of 873090 is 90378.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 651249 + 221841 = 807^2 + 471^2 .

It is a super-2 number, since 2×873090² = 1524572296200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (873091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7956 + ... + 8064.

2⁸⁷³⁰⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 873090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1158300).

873090 is an abundant number, since it is smaller than the sum of its proper divisors (1443510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

873090 is a wasteful number, since it uses less digits than its factorization.

873090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 208 counting only the distinct ones).

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

The square root of 873090 is about 934.3928510000. The cubic root of 873090 is about 95.5769141807.

The spelling of 873090 in words is "eight hundred seventy-three thousand, ninety".