6491332 has 6 divisors (see below), whose sum is σ = 11359838. Its totient is φ = 3245664.

The previous prime is 6491299. The next prime is 6491333. The reversal of 6491332 is 2331946.

It can be written as a sum of positive squares in only one way, i.e., 6482116 + 9216 = 2546^2 + 96^2 .

It is a super-2 number, since 2×6491332² = 84274782268448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6491332.

It is not an unprimeable number, because it can be changed into a prime (6491333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811413 + ... + 811420.

Almost surely, 2^6491332 is an apocalyptic number.

It is an amenable number.

6491332 is a deficient number, since it is larger than the sum of its proper divisors (4868506).

6491332 is a wasteful number, since it uses less digits than its factorization.

6491332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622837 (or 1622835 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The square root of 6491332 is about 2547.8092550268. The cubic root of 6491332 is about 186.5425634848.

It can be divided in two parts, 649 and 1332, that multiplied together give a palindrome (864468).

The spelling of 6491332 in words is "six million, four hundred ninety-one thousand, three hundred thirty-two".