841401378 has 64 divisors (see below), whose sum is σ = 1902942720. Its totient is φ = 275533776.

The previous prime is 841401367. The next prime is 841401427. The reversal of 841401378 is 873104148.

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 31 ways as a sum of consecutive naturals, for example, 1017001 + ... + 1017827.

It is an arithmetic number, because the mean of its divisors is an integer number (29733480).

Almost surely, 2^841401378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 841401378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (951471360).

841401378 is an abundant number, since it is smaller than the sum of its proper divisors (1061541342).

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

841401378 is a wasteful number, since it uses less digits than its factorization.

841401378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 841401378 is about 29006.9194848402. The cubic root of 841401378 is about 944.0632087152.

The spelling of 841401378 in words is "eight hundred forty-one million, four hundred one thousand, three hundred seventy-eight".