28985088 has 144 divisors (see below), whose sum is σ = 87123456. Its totient is φ = 8478720.

The previous prime is 28985069. The next prime is 28985113. The reversal of 28985088 is 88058982.

It is a super-3 number, since 3×28985088³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397020 + ... + 397092.

It is an arithmetic number, because the mean of its divisors is an integer number (605024).

Almost surely, 2^28985088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28985088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43561728).

28985088 is an abundant number, since it is smaller than the sum of its proper divisors (58138368).

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

28985088 is a wasteful number, since it uses less digits than its factorization.

28985088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 48.

The square root of 28985088 is about 5383.7800846617. The cubic root of 28985088 is about 307.1790133233.

The spelling of 28985088 in words is "twenty-eight million, nine hundred eighty-five thousand, eighty-eight".