6487020 has 96 divisors (see below), whose sum is σ = 20744640. Its totient is φ = 1681920.

The previous prime is 6487003. The next prime is 6487027. The reversal of 6487020 is 207846.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6487027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21994 + ... + 22286.

It is an arithmetic number, because the mean of its divisors is an integer number (216090).

Almost surely, 2^6487020 is an apocalyptic number.

6487020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6487020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10372320).

6487020 is an abundant number, since it is smaller than the sum of its proper divisors (14257620).

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

6487020 is a wasteful number, since it uses less digits than its factorization.

6487020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 6487020 is about 2546.9628972563. The cubic root of 6487020 is about 186.5012494316.

The spelling of 6487020 in words is "six million, four hundred eighty-seven thousand, twenty".