2877666 has 32 divisors (see below), whose sum is σ = 6393600. Its totient is φ = 856080.

The previous prime is 2877661. The next prime is 2877673. The reversal of 2877666 is 6667782.

It is not an unprimeable number, because it can be changed into a prime (2877661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3525 + ... + 4263.

It is an arithmetic number, because the mean of its divisors is an integer number (199800).

2^2877666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2877666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3196800).

2877666 is an abundant number, since it is smaller than the sum of its proper divisors (3515934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2877666 is a wasteful number, since it uses less digits than its factorization.

2877666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814.

The product of its digits is 169344, while the sum is 42.

The square root of 2877666 is about 1696.3684741235. The cubic root of 2877666 is about 142.2372875841.

It can be divided in two parts, 287766 and 6, that multiplied together give a square (1726596 = 1314²).

The spelling of 2877666 in words is "two million, eight hundred seventy-seven thousand, six hundred sixty-six".