840966012 has 36 divisors (see below), whose sum is σ = 2199080520. Its totient is φ = 270655392.

The previous prime is 840965989. The next prime is 840966029. The reversal of 840966012 is 210669048.

840966012 is a `hidden beast` number, since 8 + 40 + 9 + 6 + 601 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 401718 + ... + 403805.

It is an arithmetic number, because the mean of its divisors is an integer number (61085570).

Almost surely, 2^840966012 is an apocalyptic number.

It is an amenable number.

840966012 is an abundant number, since it is smaller than the sum of its proper divisors (1358114508).

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

840966012 is a wasteful number, since it uses less digits than its factorization.

840966012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805562 (or 805557 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 840966012 is about 28999.4139940793. The cubic root of 840966012 is about 943.9003518655.

The spelling of 840966012 in words is "eight hundred forty million, nine hundred sixty-six thousand, twelve".