404850 has 24 divisors (see below), whose sum is σ = 1004400. Its totient is φ = 107920.

The previous prime is 404849. The next prime is 404851. The reversal of 404850 is 58404.

It is an interprime number because it is at equal distance from previous prime (404849) and next prime (404851).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (404851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1200 + ... + 1499.

It is an arithmetic number, because the mean of its divisors is an integer number (41850).

2⁴⁰⁴⁸⁵⁰ is an apocalyptic number.

404850 is an abundant number, since it is smaller than the sum of its proper divisors (599550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404850 is a wasteful number, since it uses less digits than its factorization.

404850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714 (or 2709 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 404850 is about 636.2782410235. The cubic root of 404850 is about 73.9772269832.

The spelling of 404850 in words is "four hundred four thousand, eight hundred fifty".