5405906 has 8 divisors (see below), whose sum is σ = 8846064. Its totient is φ = 2457220.

The previous prime is 5405887. The next prime is 5405921. The reversal of 5405906 is 6095045.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122840 + ... + 122883.

It is an arithmetic number, because the mean of its divisors is an integer number (1105758).

Almost surely, 2^5405906 is an apocalyptic number.

5405906 is a deficient number, since it is larger than the sum of its proper divisors (3440158).

5405906 is a wasteful number, since it uses less digits than its factorization.

5405906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245736.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 5405906 is about 2325.0604293222. The cubic root of 5405906 is about 175.5050011697.

It can be divided in two parts, 540 and 5906, that added together give a palindrome (6446).

The spelling of 5405906 in words is "five million, four hundred five thousand, nine hundred six".