841420 has 12 divisors (see below), whose sum is σ = 1767024. Its totient is φ = 336560.

The previous prime is 841411. The next prime is 841427. The reversal of 841420 is 24148.

It is not an unprimeable number, because it can be changed into a prime (841427) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21016 + ... + 21055.

It is an arithmetic number, because the mean of its divisors is an integer number (147252).

2⁸⁴¹⁴²⁰ is an apocalyptic number.

It is an amenable number.

841420 is an abundant number, since it is smaller than the sum of its proper divisors (925604).

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

841420 is a wasteful number, since it uses less digits than its factorization.

841420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42080 (or 42078 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 841420 is about 917.2894853862. The cubic root of 841420 is about 94.4070173372.

Adding to 841420 its reverse (24148), we get a palindrome (865568).

It can be divided in two parts, 841 and 420, that multiplied together give a triangular number (353220 = T₈₄₀).

The spelling of 841420 in words is "eight hundred forty-one thousand, four hundred twenty".