404084 has 6 divisors (see below), whose sum is σ = 707154. Its totient is φ = 202040.

The previous prime is 404081. The next prime is 404099. The reversal of 404084 is 480404.

It can be written as a sum of positive squares in only one way, i.e., 220900 + 183184 = 470^2 + 428^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50507 + ... + 50514.

It is an arithmetic number, because the mean of its divisors is an integer number (117859).

2⁴⁰⁴⁰⁸⁴ is an apocalyptic number.

It is an amenable number.

404084 is a deficient number, since it is larger than the sum of its proper divisors (303070).

404084 is a wasteful number, since it uses less digits than its factorization.

404084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101025 (or 101023 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 404084 is about 635.6760181099. The cubic root of 404084 is about 73.9305411059.

Adding to 404084 its reverse (480404), we get a palindrome (884488).

The spelling of 404084 in words is "four hundred four thousand, eighty-four".