5405847 has 8 divisors (see below), whose sum is σ = 7631856. Its totient is φ = 3391872.

The previous prime is 5405843. The next prime is 5405857. The reversal of 5405847 is 7485045.

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

It is not a de Polignac number, because 5405847 - 2² = 5405843 is a prime.

5405847 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5405843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52948 + ... + 53049.

It is an arithmetic number, because the mean of its divisors is an integer number (953982).

Almost surely, 2^5405847 is an apocalyptic number.

5405847 is a deficient number, since it is larger than the sum of its proper divisors (2226009).

5405847 is a wasteful number, since it uses less digits than its factorization.

5405847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106017.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 5405847 is about 2325.0477414453. The cubic root of 5405847 is about 175.5043626808.

The spelling of 5405847 in words is "five million, four hundred five thousand, eight hundred forty-seven".