28896088 has 16 divisors (see below), whose sum is σ = 58348080. Its totient is φ = 13336608.

The previous prime is 28896083. The next prime is 28896089. The reversal of 28896088 is 88069882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28896083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138820 + ... + 139027.

It is an arithmetic number, because the mean of its divisors is an integer number (3646755).

Almost surely, 2^28896088 is an apocalyptic number.

It is an amenable number.

28896088 is an abundant number, since it is smaller than the sum of its proper divisors (29451992).

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

28896088 is a wasteful number, since it uses less digits than its factorization.

28896088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277866 (or 277862 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 49.

The square root of 28896088 is about 5375.5081620252. The cubic root of 28896088 is about 306.8642887102.

It can be divided in two parts, 2889608 and 8, that multiplied together give a square (23116864 = 4808²).

The spelling of 28896088 in words is "twenty-eight million, eight hundred ninety-six thousand, eighty-eight".