2766465 has 24 divisors (see below), whose sum is σ = 5165160. Its totient is φ = 1361664.

The previous prime is 2766431. The next prime is 2766487. The reversal of 2766465 is 5646672.

2766465 is a `hidden beast` number, since 2 + 7 + 6 + 646 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 103041 + 2663424 = 321^2 + 1632^2 .

It is not a de Polignac number, because 2766465 - 2⁹ = 2765953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1780 + ... + 2949.

It is an arithmetic number, because the mean of its divisors is an integer number (215215).

2^2766465 is an apocalyptic number.

It is an amenable number.

2766465 is a deficient number, since it is larger than the sum of its proper divisors (2398695).

2766465 is a wasteful number, since it uses less digits than its factorization.

2766465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753 (or 4750 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 2766465 is about 1663.2693708477. The cubic root of 2766465 is about 140.3810199097.

The spelling of 2766465 in words is "two million, seven hundred sixty-six thousand, four hundred sixty-five".