6503490 has 160 divisors (see below), whose sum is σ = 21187584. Its totient is φ = 1399680.

The previous prime is 6503477. The next prime is 6503501. The reversal of 6503490 is 943056.

It is a happy number.

6503490 is a `hidden beast` number, since 650 + 3 + 4 + 9 + 0 = 666.

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

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 175752 + ... + 175788.

Almost surely, 2^6503490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6503490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10593792).

6503490 is an abundant number, since it is smaller than the sum of its proper divisors (14684094).

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

6503490 is a wasteful number, since it uses less digits than its factorization.

6503490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 6503490 is about 2550.1941102591. The cubic root of 6503490 is about 186.6589530543.

The spelling of 6503490 in words is "six million, five hundred three thousand, four hundred ninety".