404041 has 8 divisors (see below), whose sum is σ = 460224. Its totient is φ = 351120.

The previous prime is 404029. The next prime is 404051. The reversal of 404041 is 140404.

404041 = T₇₆ + T₇₇ + ... + T₁₄₁.

It is a happy number.

It is the 260-th star number.

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

It is not a de Polignac number, because 404041 - 2⁵ = 404009 is a prime.

It is a Duffinian number.

404041 is a lucky 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 7 ways as a sum of consecutive naturals, for example, 546 + ... + 1051.

It is an arithmetic number, because the mean of its divisors is an integer number (57528).

2⁴⁰⁴⁰⁴¹ is an apocalyptic number.

It is an amenable number.

404041 is a deficient number, since it is larger than the sum of its proper divisors (56183).

404041 is a wasteful number, since it uses less digits than its factorization.

404041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 404041 is about 635.6421949493. The cubic root of 404041 is about 73.9279186099.

Adding to 404041 its reverse (140404), we get a palindrome (544445).

The spelling of 404041 in words is "four hundred four thousand, forty-one", and thus it is an iban number.