6427861 has 8 divisors (see below), whose sum is σ = 7161984. Its totient is φ = 5718720.

The previous prime is 6427831. The next prime is 6427891. The reversal of 6427861 is 1687246.

It is an interprime number because it is at equal distance from previous prime (6427831) and next prime (6427891).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6427861 - 2⁹ = 6427349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6427831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5700 + ... + 6733.

It is an arithmetic number, because the mean of its divisors is an integer number (895248).

Almost surely, 2^6427861 is an apocalyptic number.

It is an amenable number.

6427861 is a deficient number, since it is larger than the sum of its proper divisors (734123).

6427861 is a wasteful number, since it uses less digits than its factorization.

6427861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12491.

The product of its digits is 16128, while the sum is 34.

The square root of 6427861 is about 2535.3226619111. The cubic root of 6427861 is about 185.9325785624.

The spelling of 6427861 in words is "six million, four hundred twenty-seven thousand, eight hundred sixty-one".