28654080 has 320 divisors, whose sum is σ = 115492608. Its totient is φ = 5898240.

The previous prime is 28654051. The next prime is 28654081. The reversal of 28654080 is 8045682.

It is a tau number, because it is divible by the number of its divisors (320).

It is not an unprimeable number, because it can be changed into a prime (28654081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 698860 + ... + 698900.

Almost surely, 2^28654080 is an apocalyptic number.

28654080 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 28654080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57746304).

28654080 is an abundant number, since it is smaller than the sum of its proper divisors (86838528).

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

28654080 is a wasteful number, since it uses less digits than its factorization.

28654080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 28654080 is about 5352.9505882270. The cubic root of 28654080 is about 306.0052115820.

The spelling of 28654080 in words is "twenty-eight million, six hundred fifty-four thousand, eighty".