6490620 has 72 divisors (see below), whose sum is σ = 19931184. Its totient is φ = 1709568.

The previous prime is 6490613. The next prime is 6490643. The reversal of 6490620 is 260946.

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, 19092 + ... + 19428.

It is an arithmetic number, because the mean of its divisors is an integer number (276822).

Almost surely, 2^6490620 is an apocalyptic number.

6490620 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 6490620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9965592).

6490620 is an abundant number, since it is smaller than the sum of its proper divisors (13440564).

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

6490620 is a wasteful number, since it uses less digits than its factorization.

6490620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 6490620 is about 2547.6695233095. The cubic root of 6490620 is about 186.5357429451.

The spelling of 6490620 in words is "six million, four hundred ninety thousand, six hundred twenty".