6289890 has 32 divisors (see below), whose sum is σ = 15313536. Its totient is φ = 1653120.

The previous prime is 6289883. The next prime is 6289903. The reversal of 6289890 is 989826.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 654 + ... + 3606.

It is an arithmetic number, because the mean of its divisors is an integer number (478548).

Almost surely, 2^6289890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6289890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7656768).

6289890 is an abundant number, since it is smaller than the sum of its proper divisors (9023646).

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

6289890 is a wasteful number, since it uses less digits than its factorization.

6289890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 6289890 is about 2507.9653107649. The cubic root of 6289890 is about 184.5926268689.

The spelling of 6289890 in words is "six million, two hundred eighty-nine thousand, eight hundred ninety".