840826841 has 8 divisors (see below), whose sum is σ = 873659520. Its totient is φ = 808250128.

The previous prime is 840826823. The next prime is 840826853. The reversal of 840826841 is 148628048.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 840826841 - 2¹⁴ = 840810457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (840826871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57281 + ... + 70446.

It is an arithmetic number, because the mean of its divisors is an integer number (109207440).

Almost surely, 2^840826841 is an apocalyptic number.

It is an amenable number.

840826841 is a deficient number, since it is larger than the sum of its proper divisors (32832679).

840826841 is a wasteful number, since it uses less digits than its factorization.

840826841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127983.

The product of its (nonzero) digits is 98304, while the sum is 41.

The square root of 840826841 is about 28997.0143463081. The cubic root of 840826841 is about 943.8482804773.

The spelling of 840826841 in words is "eight hundred forty million, eight hundred twenty-six thousand, eight hundred forty-one".