404909848 has 64 divisors (see below), whose sum is σ = 934686720. Its totient is φ = 160617600.

The previous prime is 404909837. The next prime is 404909867. The reversal of 404909848 is 848909404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 404909798 and 404909807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34858 + ... + 44998.

It is an arithmetic number, because the mean of its divisors is an integer number (14604480).

Almost surely, 2^404909848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404909848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467343360).

404909848 is an abundant number, since it is smaller than the sum of its proper divisors (529776872).

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

404909848 is a wasteful number, since it uses less digits than its factorization.

404909848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10208 (or 10204 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 404909848 is about 20122.3718283904. The cubic root of 404909848 is about 739.8087209535.

The spelling of 404909848 in words is "four hundred four million, nine hundred nine thousand, eight hundred forty-eight".