2866142 has 4 divisors (see below), whose sum is σ = 4299216. Its totient is φ = 1433070.

The previous prime is 2866139. The next prime is 2866147. The reversal of 2866142 is 2416682.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2416682 = 2 ⋅1208341.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2866147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 716534 + ... + 716537.

It is an arithmetic number, because the mean of its divisors is an integer number (1074804).

2^2866142 is an apocalyptic number.

2866142 is a deficient number, since it is larger than the sum of its proper divisors (1433074).

2866142 is a wasteful number, since it uses less digits than its factorization.

2866142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433073.

The product of its digits is 4608, while the sum is 29.

The square root of 2866142 is about 1692.9683989963. The cubic root of 2866142 is about 142.0471641255.

The spelling of 2866142 in words is "two million, eight hundred sixty-six thousand, one hundred forty-two".