6243861 has 16 divisors (see below), whose sum is σ = 9209984. Its totient is φ = 3737664.

The previous prime is 6243859. The next prime is 6243863. The reversal of 6243861 is 1683426.

It is an interprime number because it is at equal distance from previous prime (6243859) and next prime (6243863).

It is not a de Polignac number, because 6243861 - 2¹ = 6243859 is a prime.

It is a Duffinian number.

6243861 is a modest number, since divided by 3861 gives 624 as remainder.

It is a Curzon number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6243863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721 + ... + 3606.

It is an arithmetic number, because the mean of its divisors is an integer number (575624).

Almost surely, 2^6243861 is an apocalyptic number.

6243861 is the 1443-rd octagonal number.

It is an amenable number.

6243861 is a deficient number, since it is larger than the sum of its proper divisors (2966123).

6243861 is a wasteful number, since it uses less digits than its factorization.

6243861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4380.

The product of its digits is 6912, while the sum is 30.

The square root of 6243861 is about 2498.7718983533. The cubic root of 6243861 is about 184.1412451233.

The spelling of 6243861 in words is "six million, two hundred forty-three thousand, eight hundred sixty-one".