28967088 has 40 divisors (see below), whose sum is σ = 75788800. Its totient is φ = 9532224.

The previous prime is 28967069. The next prime is 28967089. The reversal of 28967088 is 88076982.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (28967089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28 + ... + 7611.

It is an arithmetic number, because the mean of its divisors is an integer number (1894720).

Almost surely, 2^28967088 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 28967088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37894400).

28967088 is an abundant number, since it is smaller than the sum of its proper divisors (46821712).

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

28967088 is a wasteful number, since it uses less digits than its factorization.

28967088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7729 (or 7723 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 28967088 is about 5382.1081371522. The cubic root of 28967088 is about 307.1154131805.

The spelling of 28967088 in words is "twenty-eight million, nine hundred sixty-seven thousand, eighty-eight".