6490624 has 40 divisors (see below), whose sum is σ = 14829408. Its totient is φ = 2780160.

The previous prime is 6490613. The next prime is 6490643. The reversal of 6490624 is 4260946.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2679 + ... + 4489.

Almost surely, 2^6490624 is an apocalyptic number.

6490624 is a gapful number since it is divisible by the number (64) 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 6490624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7414704).

6490624 is an abundant number, since it is smaller than the sum of its proper divisors (8338784).

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

6490624 is an equidigital number, since it uses as much as digits as its factorization.

6490624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836 (or 1820 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 6490624 is about 2547.6703083405. The cubic root of 6490624 is about 186.5357812642.

The spelling of 6490624 in words is "six million, four hundred ninety thousand, six hundred twenty-four".