28341480 has 64 divisors (see below), whose sum is σ = 85887360. Its totient is φ = 7481088.

The previous prime is 28341479. The next prime is 28341491. The reversal of 28341480 is 8414382.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11214 + ... + 13506.

It is an arithmetic number, because the mean of its divisors is an integer number (1341990).

Almost surely, 2^28341480 is an apocalyptic number.

28341480 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 28341480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42943680).

28341480 is an abundant number, since it is smaller than the sum of its proper divisors (57545880).

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

28341480 is a wasteful number, since it uses less digits than its factorization.

28341480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410 (or 2406 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 28341480 is about 5323.6716653077. The cubic root of 28341480 is about 304.8883583157. Note that the first 3 decimals are identical.

The spelling of 28341480 in words is "twenty-eight million, three hundred forty-one thousand, four hundred eighty".