408061 has 4 divisors (see below), whose sum is σ = 409500. Its totient is φ = 406624.

The previous prime is 408049. The next prime is 408071. The reversal of 408061 is 160804.

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 244036 + 164025 = 494^2 + 405^2 .

It is a cyclic number.

It is not a de Polignac number, because 408061 - 2¹¹ = 406013 is a prime.

It is a super-3 number, since 3×408061³ = 203843338400192943, which contains 333 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408011) 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 3 ways as a sum of consecutive naturals, for example, 136 + ... + 913.

It is an arithmetic number, because the mean of its divisors is an integer number (102375).

2⁴⁰⁸⁰⁶¹ is an apocalyptic number.

It is an amenable number.

408061 is a deficient number, since it is larger than the sum of its proper divisors (1439).

408061 is a wasteful number, since it uses less digits than its factorization.

408061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 408061 is about 638.7965247244. The cubic root of 408061 is about 74.1722915118.

Adding to 408061 its reverse (160804), we get a palindrome (568865).

The spelling of 408061 in words is "four hundred eight thousand, sixty-one".