2668465 has 4 divisors (see below), whose sum is σ = 3202164. Its totient is φ = 2134768.

The previous prime is 2668459. The next prime is 2668469. The reversal of 2668465 is 5648662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1073296 + 1595169 = 1036^2 + 1263^2 .

It is a cyclic number.

It is not a de Polignac number, because 2668465 - 2⁵ = 2668433 is a prime.

It is a super-3 number, since 3×2668465³ = 57004059855736333875, which contains 333 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 (2668469) 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, 266842 + ... + 266851.

It is an arithmetic number, because the mean of its divisors is an integer number (800541).

2^2668465 is an apocalyptic number.

It is an amenable number.

2668465 is a deficient number, since it is larger than the sum of its proper divisors (533699).

2668465 is an equidigital number, since it uses as much as digits as its factorization.

2668465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533698.

The product of its digits is 69120, while the sum is 37.

The square root of 2668465 is about 1633.5436939366. The cubic root of 2668465 is about 138.7034202328.

The spelling of 2668465 in words is "two million, six hundred sixty-eight thousand, four hundred sixty-five".