28038060 has 72 divisors (see below), whose sum is σ = 86682960. Its totient is φ = 7333248.

The previous prime is 28038029. The next prime is 28038067. The reversal of 28038060 is 6083082.

28038060 is a `hidden beast` number, since 280 + 380 + 6 + 0 = 666.

It is a super-2 number, since 2×28038060² = 1572265617127200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28038067) 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, 8071 + ... + 11009.

It is an arithmetic number, because the mean of its divisors is an integer number (1203930).

Almost surely, 2^28038060 is an apocalyptic number.

28038060 is a gapful number since it is divisible by the number (20) 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 28038060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43341480).

28038060 is an abundant number, since it is smaller than the sum of its proper divisors (58644900).

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

28038060 is a wasteful number, since it uses less digits than its factorization.

28038060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007 (or 3002 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 28038060 is about 5295.0977328091. The cubic root of 28038060 is about 303.7964212952.

The spelling of 28038060 in words is "twenty-eight million, thirty-eight thousand, sixty".