5437866 has 32 divisors (see below), whose sum is σ = 12722688. Its totient is φ = 1517040.

The previous prime is 5437849. The next prime is 5437889. The reversal of 5437866 is 6687345.

It is a super-3 number, since 3×5437866³ (a number of 21 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301 + ... + 3311.

It is an arithmetic number, because the mean of its divisors is an integer number (397584).

Almost surely, 2^5437866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5437866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6361344).

5437866 is an abundant number, since it is smaller than the sum of its proper divisors (7284822).

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

5437866 is a wasteful number, since it uses less digits than its factorization.

5437866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066.

The product of its digits is 120960, while the sum is 39.

The square root of 5437866 is about 2331.9232405892. The cubic root of 5437866 is about 175.8501867351.

The spelling of 5437866 in words is "five million, four hundred thirty-seven thousand, eight hundred sixty-six".