6009861 has 16 divisors (see below), whose sum is σ = 9414720. Its totient is φ = 3361920.

The previous prime is 6009859. The next prime is 6009863. The reversal of 6009861 is 1689006.

It is an interprime number because it is at equal distance from previous prime (6009859) and next prime (6009863).

It is not a de Polignac number, because 6009861 - 2¹ = 6009859 is a prime.

It is a super-2 number, since 2×6009861² = 72236858478642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6009863) 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 15 ways as a sum of consecutive naturals, for example, 6576 + ... + 7433.

It is an arithmetic number, because the mean of its divisors is an integer number (588420).

Almost surely, 2^6009861 is an apocalyptic number.

It is an amenable number.

6009861 is a deficient number, since it is larger than the sum of its proper divisors (3404859).

6009861 is a wasteful number, since it uses less digits than its factorization.

6009861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14036.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 6009861 is about 2451.5017846210. The cubic root of 6009861 is about 181.8115527204.

The spelling of 6009861 in words is "six million, nine thousand, eight hundred sixty-one".