841556 has 12 divisors (see below), whose sum is σ = 1497300. Its totient is φ = 413760.

The previous prime is 841549. The next prime is 841559. The reversal of 841556 is 655148.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13456 + 828100 = 116^2 + 910^2 .

It is a super-2 number, since 2×841556² = 1416433002272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 841556.

It is not an unprimeable number, because it can be changed into a prime (841559) 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, 1481 + ... + 1968.

It is an arithmetic number, because the mean of its divisors is an integer number (124775).

2⁸⁴¹⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

841556 is a deficient number, since it is larger than the sum of its proper divisors (655744).

841556 is a wasteful number, since it uses less digits than its factorization.

841556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514 (or 3512 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 841556 is about 917.3636138413. The cubic root of 841556 is about 94.4121034467.

The spelling of 841556 in words is "eight hundred forty-one thousand, five hundred fifty-six".