6489388 has 24 divisors (see below), whose sum is σ = 12030480. Its totient is φ = 3057600.

The previous prime is 6489367. The next prime is 6489389. The reversal of 6489388 is 8839846.

It is a super-2 number, since 2×6489388² = 84224313229088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6489389) 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, 4338 + ... + 5638.

It is an arithmetic number, because the mean of its divisors is an integer number (501270).

Almost surely, 2^6489388 is an apocalyptic number.

It is an amenable number.

6489388 is a deficient number, since it is larger than the sum of its proper divisors (5541092).

6489388 is a wasteful number, since it uses less digits than its factorization.

6489388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377 (or 1375 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 6489388 is about 2547.4277222328. The cubic root of 6489388 is about 186.5239399342.

The spelling of 6489388 in words is "six million, four hundred eighty-nine thousand, three hundred eighty-eight".