40606 has 8 divisors (see below), whose sum is σ = 61920. Its totient is φ = 19968.

The previous prime is 40597. The next prime is 40609. The reversal of 40606 is 60604.

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

40606 is an undulating number in base 16.

40606 is a modest number, since divided by 606 gives 4 as remainder.

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 40606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30 + ... + 286.

It is an arithmetic number, because the mean of its divisors is an integer number (7740).

2⁴⁰⁶⁰⁶ is an apocalyptic number.

40606 is a deficient number, since it is larger than the sum of its proper divisors (21314).

40606 is a wasteful number, since it uses less digits than its factorization.

40606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 40606 is about 201.5093049961. The cubic root of 40606 is about 34.3713615984.

It can be divided in two parts, 40 and 606, that added together give a palindrome (646).

The spelling of 40606 in words is "forty thousand, six hundred six".