5406685 has 4 divisors (see below), whose sum is σ = 6488028. Its totient is φ = 4325344.

The previous prime is 5406677. The next prime is 5406707. The reversal of 5406685 is 5866045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3485689 + 1920996 = 1867^2 + 1386^2 .

It is a cyclic number.

It is not a de Polignac number, because 5406685 - 2³ = 5406677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5406685.

It is a congruent number.

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, 540664 + ... + 540673.

It is an arithmetic number, because the mean of its divisors is an integer number (1622007).

Almost surely, 2^5406685 is an apocalyptic number.

It is an amenable number.

5406685 is a deficient number, since it is larger than the sum of its proper divisors (1081343).

5406685 is a wasteful number, since it uses less digits than its factorization.

5406685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081342.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 5406685 is about 2325.2279458152. The cubic root of 5406685 is about 175.5134309518.

It can be divided in two parts, 540 and 6685, that added together give a square (7225 = 85²).

The spelling of 5406685 in words is "five million, four hundred six thousand, six hundred eighty-five".