2426665 has 8 divisors (see below), whose sum is σ = 3083400. Its totient is φ = 1827072.

The previous prime is 2426651. The next prime is 2426693. The reversal of 2426665 is 5666242.

It can be written as a sum of positive squares in 4 ways, for example, as 212521 + 2214144 = 461^2 + 1488^2 .

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 2426665 - 2⁷ = 2426537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14190 + ... + 14359.

It is an arithmetic number, because the mean of its divisors is an integer number (385425).

2^2426665 is an apocalyptic number.

It is an amenable number.

2426665 is a deficient number, since it is larger than the sum of its proper divisors (656735).

2426665 is a wasteful number, since it uses less digits than its factorization.

2426665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28571.

The product of its digits is 17280, while the sum is 31.

The square root of 2426665 is about 1557.7756577890. The cubic root of 2426665 is about 134.3806101858.

The spelling of 2426665 in words is "two million, four hundred twenty-six thousand, six hundred sixty-five".