6348989 has 4 divisors (see below), whose sum is σ = 6625056. Its totient is φ = 6072924.

The previous prime is 6348977. The next prime is 6348997. The reversal of 6348989 is 9898436.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6348989 is a prime.

It is a super-2 number, since 2×6348989² = 80619322644242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6348289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137999 + ... + 138044.

It is an arithmetic number, because the mean of its divisors is an integer number (1656264).

Almost surely, 2^6348989 is an apocalyptic number.

It is an amenable number.

6348989 is a deficient number, since it is larger than the sum of its proper divisors (276067).

6348989 is a wasteful number, since it uses less digits than its factorization.

6348989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276066.

The product of its digits is 373248, while the sum is 47.

The square root of 6348989 is about 2519.7200241297. The cubic root of 6348989 is about 185.1689617822.

It can be divided in two parts, 6348 and 989, that added together give a palindrome (7337).

The spelling of 6348989 in words is "six million, three hundred forty-eight thousand, nine hundred eighty-nine".