2866939 has 8 divisors (see below), whose sum is σ = 2984432. Its totient is φ = 2751840.

The previous prime is 2866937. The next prime is 2866943. The reversal of 2866939 is 9396682.

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

It is a cyclic number.

It is not a de Polignac number, because 2866939 - 2¹ = 2866937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a d-powerful number, because it can be written as 2²¹ + 8⁵ + 6⁷ + 6⁷ + 9⁵ + 3¹⁰ + 9⁵ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2866895 and 2866904.

It is not an unprimeable number, because it can be changed into a prime (2866937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2077 + ... + 3169.

It is an arithmetic number, because the mean of its divisors is an integer number (373054).

2^2866939 is an apocalyptic number.

2866939 is a deficient number, since it is larger than the sum of its proper divisors (117493).

2866939 is a wasteful number, since it uses less digits than its factorization.

2866939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197.

The product of its digits is 139968, while the sum is 43.

The square root of 2866939 is about 1693.2037680090. The cubic root of 2866939 is about 142.0603294534.

It can be divided in two parts, 286 and 6939, that added together give a square (7225 = 85²).

The spelling of 2866939 in words is "two million, eight hundred sixty-six thousand, nine hundred thirty-nine".