28950120 has 192 divisors, whose sum is σ = 101088000. Its totient is φ = 7171584.

The previous prime is 28950113. The next prime is 28950127. The reversal of 28950120 is 2105982.

It is an interprime number because it is at equal distance from previous prime (28950113) and next prime (28950127).

It is not an unprimeable number, because it can be changed into a prime (28950127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 490651 + ... + 490709.

It is an arithmetic number, because the mean of its divisors is an integer number (526500).

Almost surely, 2^28950120 is an apocalyptic number.

28950120 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 28950120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50544000).

28950120 is an abundant number, since it is smaller than the sum of its proper divisors (72137880).

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

28950120 is a wasteful number, since it uses less digits than its factorization.

28950120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 28950120 is about 5380.5315722519. The cubic root of 28950120 is about 307.0554353168.

The spelling of 28950120 in words is "twenty-eight million, nine hundred fifty thousand, one hundred twenty".