5405406 has 16 divisors (see below), whose sum is σ = 10879104. Its totient is φ = 1790424.

The previous prime is 5405381. The next prime is 5405447. The reversal of 5405406 is 6045045.

It is a congruent number.

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, 1786 + ... + 3741.

It is an arithmetic number, because the mean of its divisors is an integer number (679944).

Almost surely, 2^5405406 is an apocalyptic number.

5405406 is an abundant number, since it is smaller than the sum of its proper divisors (5473698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5405406 is a wasteful number, since it uses less digits than its factorization.

5405406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5695.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 5405406 is about 2324.9529027488. The cubic root of 5405406 is about 175.4995900998.

The spelling of 5405406 in words is "five million, four hundred five thousand, four hundred six".