5866812 has 72 divisors (see below), whose sum is σ = 17518592. Its totient is φ = 1620000.

The previous prime is 5866811. The next prime is 5866823. The reversal of 5866812 is 2186685.

It is a happy number.

5866812 is a `hidden beast` number, since 586 + 68 + 12 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5866811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7437 + ... + 8187.

Almost surely, 2^5866812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5866812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8759296).

5866812 is an abundant number, since it is smaller than the sum of its proper divisors (11651780).

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

5866812 is a wasteful number, since it uses less digits than its factorization.

5866812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799 (or 794 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 5866812 is about 2422.1502843548. The cubic root of 5866812 is about 180.3574378903.

The spelling of 5866812 in words is "five million, eight hundred sixty-six thousand, eight hundred twelve".