2866258 has 4 divisors (see below), whose sum is σ = 4299390. Its totient is φ = 1433128.

The previous prime is 2866247. The next prime is 2866261. The reversal of 2866258 is 8526682.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8526682 = 2 ⋅4263341.

It can be written as a sum of positive squares in only one way, i.e., 2866249 + 9 = 1693^2 + 3^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 716563 + ... + 716566.

2^2866258 is an apocalyptic number.

2866258 is a deficient number, since it is larger than the sum of its proper divisors (1433132).

2866258 is a wasteful number, since it uses less digits than its factorization.

2866258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433131.

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

The square root of 2866258 is about 1693.0026580015. The cubic root of 2866258 is about 142.0490804353.

The spelling of 2866258 in words is "two million, eight hundred sixty-six thousand, two hundred fifty-eight".