840321676 has 12 divisors (see below), whose sum is σ = 1470961408. Its totient is φ = 420046992.

The previous prime is 840321667. The next prime is 840321733. The reversal of 840321676 is 676123048.

It is a super-2 number, since 2×840321676² = 1412281038310897952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10611 + ... + 42346.

Almost surely, 2^840321676 is an apocalyptic number.

It is an amenable number.

840321676 is a deficient number, since it is larger than the sum of its proper divisors (630639732).

840321676 is a wasteful number, since it uses less digits than its factorization.

840321676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56928 (or 56926 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 840321676 is about 28988.3023994162. The cubic root of 840321676 is about 943.6592226707.

The spelling of 840321676 in words is "eight hundred forty million, three hundred twenty-one thousand, six hundred seventy-six".