2669887 has 8 divisors (see below), whose sum is σ = 2927232. Its totient is φ = 2415000.

The previous prime is 2669881. The next prime is 2669897. The reversal of 2669887 is 7889662.

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

It is a cyclic number.

It is not a de Polignac number, because 2669887 - 2¹⁵ = 2637119 is a prime.

2669887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2669881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2278 + ... + 3244.

It is an arithmetic number, because the mean of its divisors is an integer number (365904).

2^2669887 is an apocalyptic number.

2669887 is a deficient number, since it is larger than the sum of its proper divisors (257345).

2669887 is a wasteful number, since it uses less digits than its factorization.

2669887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229.

The product of its digits is 290304, while the sum is 46.

The square root of 2669887 is about 1633.9788860325. The cubic root of 2669887 is about 138.7280537754.

It can be divided in two parts, 266 and 9887, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 2669887 in words is "two million, six hundred sixty-nine thousand, eight hundred eighty-seven".