841405504 has 56 divisors (see below), whose sum is σ = 1747235520. Its totient is φ = 401263104.

The previous prime is 841405489. The next prime is 841405517. The reversal of 841405504 is 405504148.

It is a super-2 number, since 2×841405504² = 1415926444322988032, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748687 + ... + 749809.

Almost surely, 2^841405504 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 841405504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (873617760).

841405504 is an abundant number, since it is smaller than the sum of its proper divisors (905830016).

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

841405504 is a wasteful number, since it uses less digits than its factorization.

841405504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667 (or 1657 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 841405504 is about 29006.9906057143. The cubic root of 841405504 is about 944.0647518545.

The spelling of 841405504 in words is "eight hundred forty-one million, four hundred five thousand, five hundred four".