878293 has 6 divisors (see below), whose sum is σ = 951234. Its totient is φ = 810576.

The previous prime is 878291. The next prime is 878299. The reversal of 878293 is 392878.

It can be written as a sum of positive squares in 3 ways, for example, as 324 + 877969 = 18^2 + 937^2 .

It is not a de Polignac number, because 878293 - 2¹ = 878291 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2430 + ... + 2767.

It is an arithmetic number, because the mean of its divisors is an integer number (158539).

2⁸⁷⁸²⁹³ is an apocalyptic number.

It is an amenable number.

878293 is a deficient number, since it is larger than the sum of its proper divisors (72941).

878293 is a wasteful number, since it uses less digits than its factorization.

878293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5223 (or 5210 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 878293 is about 937.1728762614. The cubic root of 878293 is about 95.7663952637.

The spelling of 878293 in words is "eight hundred seventy-eight thousand, two hundred ninety-three".