6128490 has 32 divisors (see below), whose sum is σ = 14932800. Its totient is φ = 1609344.

The previous prime is 6128477. The next prime is 6128491. The reversal of 6128490 is 948216.

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

It is not an unprimeable number, because it can be changed into a prime (6128491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486 + ... + 3534.

It is an arithmetic number, because the mean of its divisors is an integer number (466650).

Almost surely, 2^6128490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6128490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7466400).

6128490 is an abundant number, since it is smaller than the sum of its proper divisors (8804310).

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

6128490 is a wasteful number, since it uses less digits than its factorization.

6128490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 6128490 is about 2475.5787202188. The cubic root of 6128490 is about 183.0000298605. Note that the first 4 decimals are identical.

The spelling of 6128490 in words is "six million, one hundred twenty-eight thousand, four hundred ninety".