6398069 has 8 divisors (see below), whose sum is σ = 6799320. Its totient is φ = 5999616.

The previous prime is 6398057. The next prime is 6398081. The reversal of 6398069 is 9608936.

It is an interprime number because it is at equal distance from previous prime (6398057) and next prime (6398081).

It can be written as a sum of positive squares in 4 ways, for example, as 1276900 + 5121169 = 1130^2 + 2263^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6398069 is a prime.

It is a super-2 number, since 2×6398069² = 81870573857522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6398569) 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, 5837 + ... + 6845.

It is an arithmetic number, because the mean of its divisors is an integer number (849915).

Almost surely, 2^6398069 is an apocalyptic number.

It is an amenable number.

6398069 is a deficient number, since it is larger than the sum of its proper divisors (401251).

6398069 is a wasteful number, since it uses less digits than its factorization.

6398069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 6398069 is about 2529.4404519577. The cubic root of 6398069 is about 185.6448787411.

The spelling of 6398069 in words is "six million, three hundred ninety-eight thousand, sixty-nine".