873684285 has 16 divisors (see below), whose sum is σ = 1405622400. Its totient is φ = 463389120.

The previous prime is 873684283. The next prime is 873684307. The reversal of 873684285 is 582486378.

It is a happy number.

It is not a de Polignac number, because 873684285 - 2¹ = 873684283 is a prime.

It is a super-2 number, since 2×873684285² = 1526648459711922450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873684283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158185 + ... + 163614.

It is an arithmetic number, because the mean of its divisors is an integer number (87851400).

Almost surely, 2^873684285 is an apocalyptic number.

It is an amenable number.

873684285 is a deficient number, since it is larger than the sum of its proper divisors (531938115).

873684285 is a wasteful number, since it uses less digits than its factorization.

873684285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321988.

The product of its digits is 2580480, while the sum is 51.

The square root of 873684285 is about 29558.1509063067. The cubic root of 873684285 is about 955.9859466577.

The spelling of 873684285 in words is "eight hundred seventy-three million, six hundred eighty-four thousand, two hundred eighty-five".