6587490 has 128 divisors (see below), whose sum is σ = 20643840. Its totient is φ = 1306368.

The previous prime is 6587489. The next prime is 6587491. The reversal of 6587490 is 947856.

It is an interprime number because it is at equal distance from previous prime (6587489) and next prime (6587491).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6587491) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51807 + ... + 51933.

It is an arithmetic number, because the mean of its divisors is an integer number (161280).

Almost surely, 2^6587490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6587490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10321920).

6587490 is an abundant number, since it is smaller than the sum of its proper divisors (14056350).

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

6587490 is a wasteful number, since it uses less digits than its factorization.

6587490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 6587490 is about 2566.6106054484. The cubic root of 6587490 is about 187.4591555477.

The spelling of 6587490 in words is "six million, five hundred eighty-seven thousand, four hundred ninety".