5866690 has 24 divisors (see below), whose sum is σ = 10854900. Its totient is φ = 2282880.

The previous prime is 5866661. The next prime is 5866691. The reversal of 5866690 is 966685.

It can be written as a sum of positive squares in 6 ways, for example, as 423801 + 5442889 = 651^2 + 2333^2 .

It is a super-2 number, since 2×5866690² = 68836103112200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5866691) 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, 16636 + ... + 16984.

Almost surely, 2^5866690 is an apocalyptic number.

5866690 is a deficient number, since it is larger than the sum of its proper divisors (4988210).

5866690 is a wasteful number, since it uses less digits than its factorization.

5866690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 5866690 is about 2422.1250999897. The cubic root of 5866690 is about 180.3561877076.

It can be divided in two parts, 5866 and 690, that added together give a palindrome (6556).

The spelling of 5866690 in words is "five million, eight hundred sixty-six thousand, six hundred ninety".