2868706 has 4 divisors (see below), whose sum is σ = 4303062. Its totient is φ = 1434352.

The previous prime is 2868689. The next prime is 2868707. The reversal of 2868706 is 6078682.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6078682 = 2 ⋅3039341.

It can be written as a sum of positive squares in only one way, i.e., 2576025 + 292681 = 1605^2 + 541^2 .

It is a super-2 number, since 2×2868706² = 16458948228872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2868707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717175 + ... + 717178.

2^2868706 is an apocalyptic number.

2868706 is a deficient number, since it is larger than the sum of its proper divisors (1434356).

2868706 is a wasteful number, since it uses less digits than its factorization.

2868706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434355.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 2868706 is about 1693.7254795273. The cubic root of 2868706 is about 142.0895091288.

The spelling of 2868706 in words is "two million, eight hundred sixty-eight thousand, seven hundred six".