6021090 has 48 divisors (see below), whose sum is σ = 15795000. Its totient is φ = 1591296.

The previous prime is 6021083. The next prime is 6021091. The reversal of 6021090 is 901206.

It can be written as a sum of positive squares in 4 ways, for example, as 3956121 + 2064969 = 1989^2 + 1437^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (6021091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13186 + ... + 13634.

Almost surely, 2^6021090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6021090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7897500).

6021090 is an abundant number, since it is smaller than the sum of its proper divisors (9773910).

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

6021090 is a wasteful number, since it uses less digits than its factorization.

6021090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 6021090 is about 2453.7909446406. The cubic root of 6021090 is about 181.9247162772.

Adding to 6021090 its reverse (901206), we get a palindrome (6922296).

The spelling of 6021090 in words is "six million, twenty-one thousand, ninety".