840486612 has 36 divisors (see below), whose sum is σ = 2281322400. Its totient is φ = 240138864.

The previous prime is 840486611. The next prime is 840486617. The reversal of 840486612 is 216684048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840486611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 714112 + ... + 715287.

Almost surely, 2^840486612 is an apocalyptic number.

It is an amenable number.

840486612 is an abundant number, since it is smaller than the sum of its proper divisors (1440835788).

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

840486612 is a wasteful number, since it uses less digits than its factorization.

840486612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429420 (or 1429411 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 840486612 is about 28991.1471314952. The cubic root of 840486612 is about 943.7209582338.

The spelling of 840486612 in words is "eight hundred forty million, four hundred eighty-six thousand, six hundred twelve".