6489036 has 72 divisors (see below), whose sum is σ = 18162144. Its totient is φ = 1943040.

The previous prime is 6488987. The next prime is 6489083. The reversal of 6489036 is 6309846.

6489036 = 21³ + 22³ + ... + 71³.

6489036 is a `hidden beast` number, since 648 + 9 + 0 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13846 + ... + 14306.

It is an arithmetic number, because the mean of its divisors is an integer number (252252).

Almost surely, 2^6489036 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 6489036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9081072).

6489036 is an abundant number, since it is smaller than the sum of its proper divisors (11673108).

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

6489036 is a wasteful number, since it uses less digits than its factorization.

6489036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 6489036 is about 2547.3586319951. The cubic root of 6489036 is about 186.5205673709.

The spelling of 6489036 in words is "six million, four hundred eighty-nine thousand, thirty-six".