28054960 has 40 divisors (see below), whose sum is σ = 65750256. Its totient is φ = 11132160.

The previous prime is 28054951. The next prime is 28054973. The reversal of 28054960 is 6945082.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9142 + ... + 11818.

Almost surely, 2^28054960 is an apocalyptic number.

28054960 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 28054960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32875128).

28054960 is an abundant number, since it is smaller than the sum of its proper divisors (37695296).

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

28054960 is a wasteful number, since it uses less digits than its factorization.

28054960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821 (or 2815 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 28054960 is about 5296.6933080933. The cubic root of 28054960 is about 303.8574470143.

The spelling of 28054960 in words is "twenty-eight million, fifty-four thousand, nine hundred sixty".