28540848 has 80 divisors (see below), whose sum is σ = 84923136. Its totient is φ = 8090880.

The previous prime is 28540847. The next prime is 28540849. The reversal of 28540848 is 84804582.

It is an interprime number because it is at equal distance from previous prime (28540847) and next prime (28540849).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28540847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57883 + ... + 58373.

Almost surely, 2^28540848 is an apocalyptic number.

28540848 is a gapful number since it is divisible by the number (28) 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 28540848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42461568).

28540848 is an abundant number, since it is smaller than the sum of its proper divisors (56382288).

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

28540848 is a wasteful number, since it uses less digits than its factorization.

28540848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 39.

The square root of 28540848 is about 5342.3635218880. The cubic root of 28540848 is about 305.6016003681.

The spelling of 28540848 in words is "twenty-eight million, five hundred forty thousand, eight hundred forty-eight".