404828 has 6 divisors (see below), whose sum is σ = 708456. Its totient is φ = 202412.

The previous prime is 404827. The next prime is 404837. The reversal of 404828 is 828404.

It is a plaindrome in base 13.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 404797 and 404806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600 + ... + 50607.

It is an arithmetic number, because the mean of its divisors is an integer number (118076).

2⁴⁰⁴⁸²⁸ is an apocalyptic number.

It is an amenable number.

404828 is a deficient number, since it is larger than the sum of its proper divisors (303628).

404828 is a wasteful number, since it uses less digits than its factorization.

404828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101211 (or 101209 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 404828 is about 636.2609527544. The cubic root of 404828 is about 73.9758869573.

The spelling of 404828 in words is "four hundred four thousand, eight hundred twenty-eight".