28948760 has 32 divisors (see below), whose sum is σ = 65966400. Its totient is φ = 11431680.

The previous prime is 28948753. The next prime is 28948769. The reversal of 28948760 is 6784982.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28948769) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1421 + ... + 7740.

It is an arithmetic number, because the mean of its divisors is an integer number (2061450).

Almost surely, 2^28948760 is an apocalyptic number.

28948760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28948760 is an abundant number, since it is smaller than the sum of its proper divisors (37017640).

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

28948760 is a wasteful number, since it uses less digits than its factorization.

28948760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9251 (or 9247 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 28948760 is about 5380.4051892028. The cubic root of 28948760 is about 307.0506270244.

The spelling of 28948760 in words is "twenty-eight million, nine hundred forty-eight thousand, seven hundred sixty".