6490380 has 96 divisors (see below), whose sum is σ = 20067264. Its totient is φ = 1557504.

The previous prime is 6490373. The next prime is 6490391. The reversal of 6490380 is 830946.

6490380 = T₂₅ + T₂₆ + ... + T₃₃₈.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41262 + ... + 41418.

It is an arithmetic number, because the mean of its divisors is an integer number (209034).

Almost surely, 2^6490380 is an apocalyptic number.

6490380 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 6490380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10033632).

6490380 is an abundant number, since it is smaller than the sum of its proper divisors (13576884).

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

6490380 is a wasteful number, since it uses less digits than its factorization.

6490380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 6490380 is about 2547.6224210036. The cubic root of 6490380 is about 186.5334437744.

The spelling of 6490380 in words is "six million, four hundred ninety thousand, three hundred eighty".