28492480 has 56 divisors (see below), whose sum is σ = 68305680. Its totient is φ = 11320320.

The previous prime is 28492447. The next prime is 28492483. The reversal of 28492480 is 8429482.

It is not an unprimeable number, because it can be changed into a prime (28492483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85915 + ... + 86245.

Almost surely, 2^28492480 is an apocalyptic number.

28492480 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 28492480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34152840).

28492480 is an abundant number, since it is smaller than the sum of its proper divisors (39813200).

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

28492480 is a wasteful number, since it uses less digits than its factorization.

28492480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 28492480 is about 5337.8347670193. The cubic root of 28492480 is about 305.4288690367.

It can be divided in two parts, 2849 and 2480, that added together give a square (5329 = 73²).

The spelling of 28492480 in words is "twenty-eight million, four hundred ninety-two thousand, four hundred eighty".