6753989 has 4 divisors (see below), whose sum is σ = 7368000. Its totient is φ = 6139980.

The previous prime is 6753977. The next prime is 6754009. The reversal of 6753989 is 9893576.

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 de Polignac number, because none of the positive numbers 2^k-6753989 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 (6753919) 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, 306989 + ... + 307010.

It is an arithmetic number, because the mean of its divisors is an integer number (1842000).

Almost surely, 2^6753989 is an apocalyptic number.

It is an amenable number.

6753989 is a deficient number, since it is larger than the sum of its proper divisors (614011).

6753989 is a wasteful number, since it uses less digits than its factorization.

6753989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614010.

The product of its digits is 408240, while the sum is 47.

The square root of 6753989 is about 2598.8437813766. The cubic root of 6753989 is about 189.0253784870.

It can be divided in two parts, 675 and 3989, that added together give a palindrome (4664).

The spelling of 6753989 in words is "six million, seven hundred fifty-three thousand, nine hundred eighty-nine".