5857812 has 48 divisors (see below), whose sum is σ = 15415680. Its totient is φ = 1923264.

The previous prime is 5857783. The next prime is 5857829. The reversal of 5857812 is 2187585.

5857812 is a `hidden beast` number, since 585 + 78 + 1 + 2 = 666.

It is a super-2 number, since 2×5857812² = 68627922854688, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 7513 + ... + 8255.

It is an arithmetic number, because the mean of its divisors is an integer number (321160).

Almost surely, 2^5857812 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 5857812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7707840).

5857812 is an abundant number, since it is smaller than the sum of its proper divisors (9557868).

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

5857812 is a wasteful number, since it uses less digits than its factorization.

5857812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829 (or 821 counting only the distinct ones).

The product of its digits is 22400, while the sum is 36.

The square root of 5857812 is about 2420.2917179547. The cubic root of 5857812 is about 180.2651647396.

The spelling of 5857812 in words is "five million, eight hundred fifty-seven thousand, eight hundred twelve".