2855669 has 4 divisors (see below), whose sum is σ = 2877600. Its totient is φ = 2833740.

The previous prime is 2855653. The next prime is 2855683. The reversal of 2855669 is 9665582.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2855669 - 2⁴ = 2855653 is a prime.

It is a super-2 number, since 2×2855669² = 16309690875122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10769 + ... + 11030.

It is an arithmetic number, because the mean of its divisors is an integer number (719400).

2^2855669 is an apocalyptic number.

It is an amenable number.

2855669 is a deficient number, since it is larger than the sum of its proper divisors (21931).

2855669 is a wasteful number, since it uses less digits than its factorization.

2855669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21930.

The product of its digits is 129600, while the sum is 41.

The square root of 2855669 is about 1689.8724803961. The cubic root of 2855669 is about 141.8739375806.

The spelling of 2855669 in words is "two million, eight hundred fifty-five thousand, six hundred sixty-nine".