841400 has 48 divisors (see below), whose sum is σ = 2239440. Its totient is φ = 288000.

The previous prime is 841397. The next prime is 841411. The reversal of 841400 is 4148.

It is a happy number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1100 + ... + 1700.

It is an arithmetic number, because the mean of its divisors is an integer number (46655).

2⁸⁴¹⁴⁰⁰ 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 841400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119720).

841400 is an abundant number, since it is smaller than the sum of its proper divisors (1398040).

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

841400 is a wasteful number, since it uses less digits than its factorization.

841400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 841400 is about 917.2785836375. The cubic root of 841400 is about 94.4062693337.

Adding to 841400 its reverse (4148), we get a palindrome (845548).

It can be divided in two parts, 841 and 400, that multiplied together give a square (336400 = 580²).

The spelling of 841400 in words is "eight hundred forty-one thousand, four hundred".