2866285 has 8 divisors (see below), whose sum is σ = 3641976. Its totient is φ = 2158080.

The previous prime is 2866277. The next prime is 2866289. The reversal of 2866285 is 5826682.

It can be written as a sum of positive squares in 4 ways, for example, as 64009 + 2802276 = 253^2 + 1674^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2866285 - 2³ = 2866277 is a prime.

It is a d-powerful number, because it can be written as 2¹⁶ + 8² + 6⁷ + 6⁷ + 2¹⁶ + 8⁷ + 5⁷ .

It is a Duffinian number.

2866285 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2866289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16776 + ... + 16945.

It is an arithmetic number, because the mean of its divisors is an integer number (455247).

2^2866285 is an apocalyptic number.

It is an amenable number.

2866285 is a deficient number, since it is larger than the sum of its proper divisors (775691).

2866285 is a wasteful number, since it uses less digits than its factorization.

2866285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33743.

The product of its digits is 46080, while the sum is 37.

The square root of 2866285 is about 1693.0106319808. The cubic root of 2866285 is about 142.0495264656.

The spelling of 2866285 in words is "two million, eight hundred sixty-six thousand, two hundred eighty-five".