5405865 has 8 divisors (see below), whose sum is σ = 8649408. Its totient is φ = 2883120.

The previous prime is 5405863. The next prime is 5405867. The reversal of 5405865 is 5685045.

It is an interprime number because it is at equal distance from previous prime (5405863) and next prime (5405867).

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

It is not a de Polignac number, because 5405865 - 2¹ = 5405863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5405863) 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, 180181 + ... + 180210.

It is an arithmetic number, because the mean of its divisors is an integer number (1081176).

Almost surely, 2^5405865 is an apocalyptic number.

It is an amenable number.

5405865 is a deficient number, since it is larger than the sum of its proper divisors (3243543).

5405865 is a wasteful number, since it uses less digits than its factorization.

5405865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360399.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 5405865 is about 2325.0516123304. The cubic root of 5405865 is about 175.5045574745.

The spelling of 5405865 in words is "five million, four hundred five thousand, eight hundred sixty-five".