28542696 has 96 divisors (see below), whose sum is σ = 89439840. Its totient is φ = 7523712.

The previous prime is 28542671. The next prime is 28542697. The reversal of 28542696 is 69624582.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (28542697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14355 + ... + 16221.

It is an arithmetic number, because the mean of its divisors is an integer number (931665).

Almost surely, 2^28542696 is an apocalyptic number.

28542696 is a gapful number since it is divisible by the number (26) 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 28542696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44719920).

28542696 is an abundant number, since it is smaller than the sum of its proper divisors (60897144).

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

28542696 is a wasteful number, since it uses less digits than its factorization.

28542696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903 (or 1892 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 28542696 is about 5342.5364762442. The cubic root of 28542696 is about 305.6081960559.

The spelling of 28542696 in words is "twenty-eight million, five hundred forty-two thousand, six hundred ninety-six".