28852388 has 6 divisors (see below), whose sum is σ = 50491686. Its totient is φ = 14426192.

The previous prime is 28852387. The next prime is 28852391. The reversal of 28852388 is 88325882.

It can be written as a sum of positive squares in only one way, i.e., 24820324 + 4032064 = 4982^2 + 2008^2 .

It is not an unprimeable number, because it can be changed into a prime (28852387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3606545 + ... + 3606552.

It is an arithmetic number, because the mean of its divisors is an integer number (8415281).

Almost surely, 2^28852388 is an apocalyptic number.

It is an amenable number.

28852388 is a deficient number, since it is larger than the sum of its proper divisors (21639298).

28852388 is a wasteful number, since it uses less digits than its factorization.

28852388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7213101 (or 7213099 counting only the distinct ones).

The product of its digits is 245760, while the sum is 44.

The square root of 28852388 is about 5371.4418920807. The cubic root of 28852388 is about 306.7095187965.

The spelling of 28852388 in words is "twenty-eight million, eight hundred fifty-two thousand, three hundred eighty-eight".