6298681 has 4 divisors (see below), whose sum is σ = 6330852. Its totient is φ = 6266512.

The previous prime is 6298667. The next prime is 6298697. The reversal of 6298681 is 1868926.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1868926 = 2 ⋅934463.

It can be written as a sum of positive squares in 2 ways, for example, as 6125625 + 173056 = 2475^2 + 416^2 .

It is a cyclic number.

It is not a de Polignac number, because 6298681 - 2²¹ = 4201529 is a prime.

It is a super-2 number, since 2×6298681² = 79346764679522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6298651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15790 + ... + 16183.

It is an arithmetic number, because the mean of its divisors is an integer number (1582713).

Almost surely, 2^6298681 is an apocalyptic number.

It is an amenable number.

6298681 is a deficient number, since it is larger than the sum of its proper divisors (32171).

6298681 is a wasteful number, since it uses less digits than its factorization.

6298681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32170.

The product of its digits is 41472, while the sum is 40.

The square root of 6298681 is about 2509.7173147588. The cubic root of 6298681 is about 184.6785848300.

The spelling of 6298681 in words is "six million, two hundred ninety-eight thousand, six hundred eighty-one".