6372861 has 16 divisors (see below), whose sum is σ = 9357120. Its totient is φ = 3825920.

The previous prime is 6372781. The next prime is 6372869. The reversal of 6372861 is 1682736.

It is a cyclic number.

It is not a de Polignac number, because 6372861 - 2¹⁸ = 6110717 is a prime.

It is a super-2 number, since 2×6372861² = 81226714650642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6372869) 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, 2875 + ... + 4583.

It is an arithmetic number, because the mean of its divisors is an integer number (584820).

Almost surely, 2^6372861 is an apocalyptic number.

It is an amenable number.

6372861 is a deficient number, since it is larger than the sum of its proper divisors (2984259).

6372861 is a wasteful number, since it uses less digits than its factorization.

6372861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836.

The product of its digits is 12096, while the sum is 33.

The square root of 6372861 is about 2524.4526139344. The cubic root of 6372861 is about 185.4007480225.

The spelling of 6372861 in words is "six million, three hundred seventy-two thousand, eight hundred sixty-one".