841384404 has 72 divisors (see below), whose sum is σ = 2448508608. Its totient is φ = 238631040.

The previous prime is 841384343. The next prime is 841384409. The reversal of 841384404 is 404483148.

841384404 is a `hidden beast` number, since 84 + 138 + 440 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (841384409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22339 + ... + 46709.

It is an arithmetic number, because the mean of its divisors is an integer number (34007064).

Almost surely, 2^841384404 is an apocalyptic number.

841384404 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 841384404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1224254304).

841384404 is an abundant number, since it is smaller than the sum of its proper divisors (1607124204).

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

841384404 is a wasteful number, since it uses less digits than its factorization.

841384404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24525 (or 24520 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 841384404 is about 29006.6268980038. The cubic root of 841384404 is about 944.0568603235.

The spelling of 841384404 in words is "eight hundred forty-one million, three hundred eighty-four thousand, four hundred four".