840989048 has 64 divisors (see below), whose sum is σ = 1747267200. Its totient is φ = 377774080.

The previous prime is 840989041. The next prime is 840989057.

It is a happy number.

840989048 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 840988987 and 840989005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840989041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260468 + ... + 263676.

It is an arithmetic number, because the mean of its divisors is an integer number (27301050).

Almost surely, 2^840989048 is an apocalyptic number.

It is an amenable number.

840989048 is an abundant number, since it is smaller than the sum of its proper divisors (906278152).

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

840989048 is a wasteful number, since it uses less digits than its factorization.

840989048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3320 (or 3316 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 50.

The square root of 840989048 is about 28999.8111717990. The cubic root of 840989048 is about 943.9089703231.

The spelling of 840989048 in words is "eight hundred forty million, nine hundred eighty-nine thousand, forty-eight".