841869 has 36 divisors (see below), whose sum is σ = 1493856. Its totient is φ = 454608.

The previous prime is 841859. The next prime is 841873. The reversal of 841869 is 968148.

It is a happy number.

841869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 841869 - 2⁷ = 841741 is a prime.

It is a super-2 number, since 2×841869² = 1417486826322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (841849) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10102 + ... + 10184.

It is an arithmetic number, because the mean of its divisors is an integer number (41496).

2⁸⁴¹⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

841869 is a deficient number, since it is larger than the sum of its proper divisors (651987).

841869 is a wasteful number, since it uses less digits than its factorization.

841869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 116 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 841869 is about 917.5341955480. The cubic root of 841869 is about 94.4238068966.

It can be divided in two parts, 84 and 1869, that added together give a triangular number (1953 = T₆₂).

The spelling of 841869 in words is "eight hundred forty-one thousand, eight hundred sixty-nine".