28962560 has 144 divisors (see below), whose sum is σ = 80795232. Its totient is φ = 9912320.

The previous prime is 28962553. The next prime is 28962581. The reversal of 28962560 is 6526982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1703672 + ... + 1703688.

It is an arithmetic number, because the mean of its divisors is an integer number (561078).

Almost surely, 2^28962560 is an apocalyptic number.

28962560 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 28962560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40397616).

28962560 is an abundant number, since it is smaller than the sum of its proper divisors (51832672).

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

28962560 is an equidigital number, since it uses as much as digits as its factorization.

28962560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71 (or 35 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 28962560 is about 5381.6874677001. The cubic root of 28962560 is about 307.0994100640.

The spelling of 28962560 in words is "twenty-eight million, nine hundred sixty-two thousand, five hundred sixty".