873242 has 4 divisors (see below), whose sum is σ = 1309866. Its totient is φ = 436620.
The previous prime is 873209. The next prime is 873247. The reversal of 873242 is 242378.
873242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242378 = 2 ⋅121189.
It can be written as a sum of positive squares in only one way, i.e., 863041 + 10201 = 929^2 + 101^2 .
It is a d-powerful number, because it can be written as 8 + 77 + 29 + 33 + 47 + 215 .
It is not an unprimeable number, because it can be changed into a prime (873247) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218309 + ... + 218312.
2873242 is an apocalyptic number.
873242 is a deficient number, since it is larger than the sum of its proper divisors (436624).
873242 is a wasteful number, since it uses less digits than its factorization.
873242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 436623.
The product of its digits is 2688, while the sum is 26.
The square root of 873242 is about 934.4741836990. The cubic root of 873242 is about 95.5824603245.
The spelling of 873242 in words is "eight hundred seventy-three thousand, two hundred forty-two".
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