404061 has 16 divisors (see below), whose sum is σ = 626688. Its totient is φ = 226800.

The previous prime is 404051. The next prime is 404081. The reversal of 404061 is 160404.

It is not a de Polignac number, because 404061 - 2⁵ = 404029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1356 + ... + 1626.

It is an arithmetic number, because the mean of its divisors is an integer number (39168).

2⁴⁰⁴⁰⁶¹ is an apocalyptic number.

It is an amenable number.

404061 is a deficient number, since it is larger than the sum of its proper divisors (222627).

404061 is a wasteful number, since it uses less digits than its factorization.

404061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 404061 is about 635.6579268758. The cubic root of 404061 is about 73.9291383986.

Adding to 404061 its reverse (160404), we get a palindrome (564465).

The spelling of 404061 in words is "four hundred four thousand, sixty-one".