2667669 has 8 divisors (see below), whose sum is σ = 3565920. Its totient is φ = 1773936.

The previous prime is 2667667. The next prime is 2667689. The reversal of 2667669 is 9667662.

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

It is not a de Polignac number, because 2667669 - 2¹ = 2667667 is a prime.

It is a super-2 number, since 2×2667669² = 14232915787122, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2667669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2667667) 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, 654 + ... + 2400.

It is an arithmetic number, because the mean of its divisors is an integer number (445740).

2^2667669 is an apocalyptic number.

It is an amenable number.

2667669 is a deficient number, since it is larger than the sum of its proper divisors (898251).

2667669 is a wasteful number, since it uses less digits than its factorization.

2667669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259.

The product of its digits is 163296, while the sum is 42.

The square root of 2667669 is about 1633.3000336742. The cubic root of 2667669 is about 138.6896271716.

The spelling of 2667669 in words is "two million, six hundred sixty-seven thousand, six hundred sixty-nine".