6489156 has 36 divisors (see below), whose sum is σ = 15705872. Its totient is φ = 2085216.

The previous prime is 6489143. The next prime is 6489163. The reversal of 6489156 is 6519846.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9771 + ... + 10413.

Almost surely, 2^6489156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6489156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7852936).

6489156 is an abundant number, since it is smaller than the sum of its proper divisors (9216716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6489156 is a wasteful number, since it uses less digits than its factorization.

6489156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708 (or 677 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 6489156 is about 2547.3821856957. The cubic root of 6489156 is about 186.5217171221.

The spelling of 6489156 in words is "six million, four hundred eighty-nine thousand, one hundred fifty-six".