28269452 has 6 divisors (see below), whose sum is σ = 49471548. Its totient is φ = 14134724.

The previous prime is 28269401. The next prime is 28269491. The reversal of 28269452 is 25496282.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3533678 + ... + 3533685.

It is an arithmetic number, because the mean of its divisors is an integer number (8245258).

Almost surely, 2^28269452 is an apocalyptic number.

It is an amenable number.

28269452 is a deficient number, since it is larger than the sum of its proper divisors (21202096).

28269452 is a wasteful number, since it uses less digits than its factorization.

28269452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7067367 (or 7067365 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 28269452 is about 5316.9024817087. The cubic root of 28269452 is about 304.6298546584.

The spelling of 28269452 in words is "twenty-eight million, two hundred sixty-nine thousand, four hundred fifty-two".