2406565 has 16 divisors (see below), whose sum is σ = 3415680. Its totient is φ = 1592640.

The previous prime is 2406557. The next prime is 2406583. The reversal of 2406565 is 5656042.

It is not a de Polignac number, because 2406565 - 2³ = 2406557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171 + ... + 2200.

It is an arithmetic number, because the mean of its divisors is an integer number (213480).

2^2406565 is an apocalyptic number.

It is an amenable number.

2406565 is a deficient number, since it is larger than the sum of its proper divisors (1009115).

2406565 is a wasteful number, since it uses less digits than its factorization.

2406565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2406565 is about 1551.3107361196. The cubic root of 2406565 is about 134.0085574100.

The spelling of 2406565 in words is "two million, four hundred six thousand, five hundred sixty-five".