28692480 has 104 divisors (see below), whose sum is σ = 92001312. Its totient is φ = 7634944.

The previous prime is 28692473. The next prime is 28692493. The reversal of 28692480 is 8429682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61207 + ... + 61673.

It is an arithmetic number, because the mean of its divisors is an integer number (884628).

Almost surely, 2^28692480 is an apocalyptic number.

28692480 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 28692480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46000656).

28692480 is an abundant number, since it is smaller than the sum of its proper divisors (63308832).

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

28692480 is an equidigital number, since it uses as much as digits as its factorization.

28692480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 28692480 is about 5356.5361942210. The cubic root of 28692480 is about 306.1418454685.

The spelling of 28692480 in words is "twenty-eight million, six hundred ninety-two thousand, four hundred eighty".