2870866 has 8 divisors (see below), whose sum is σ = 4327344. Its totient is φ = 1428420.

The previous prime is 2870863. The next prime is 2870893. The reversal of 2870866 is 6680782.

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

It is not an unprimeable number, because it can be changed into a prime (2870863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2980 + ... + 3823.

It is an arithmetic number, because the mean of its divisors is an integer number (540918).

2^2870866 is an apocalyptic number.

2870866 is a deficient number, since it is larger than the sum of its proper divisors (1456478).

2870866 is a wasteful number, since it uses less digits than its factorization.

2870866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7016.

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

The square root of 2870866 is about 1694.3630071505. The cubic root of 2870866 is about 142.1251624096.

The spelling of 2870866 in words is "two million, eight hundred seventy thousand, eight hundred sixty-six".