404053 has 4 divisors (see below), whose sum is σ = 435148. Its totient is φ = 372960.

The previous prime is 404051. The next prime is 404081. The reversal of 404053 is 350404.

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 88209 + 315844 = 297^2 + 562^2 .

It is a cyclic number.

It is not a de Polignac number, because 404053 - 2¹ = 404051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404051) 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, 15528 + ... + 15553.

It is an arithmetic number, because the mean of its divisors is an integer number (108787).

2⁴⁰⁴⁰⁵³ is an apocalyptic number.

It is an amenable number.

404053 is a deficient number, since it is larger than the sum of its proper divisors (31095).

404053 is a wasteful number, since it uses less digits than its factorization.

404053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31094.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 404053 is about 635.6516341519. The cubic root of 404053 is about 73.9286504880.

Adding to 404053 its reverse (350404), we get a palindrome (754457).

The spelling of 404053 in words is "four hundred four thousand, fifty-three".