28060000 has 120 divisors (see below), whose sum is σ = 73214064. Its totient is φ = 10560000.

The previous prime is 28059971. The next prime is 28060003. The reversal of 28060000 is 6082.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28060003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 459970 + ... + 460030.

Almost surely, 2^28060000 is an apocalyptic number.

28060000 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 28060000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36607032).

28060000 is an abundant number, since it is smaller than the sum of its proper divisors (45154064).

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

28060000 is an equidigital number, since it uses as much as digits as its factorization.

28060000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 28060000 is about 5297.1690552596. The cubic root of 28060000 is about 303.8756416560.

Adding to 28060000 its reverse (6082), we get a palindrome (28066082).

The spelling of 28060000 in words is "twenty-eight million, sixty thousand".