28547452 has 6 divisors (see below), whose sum is σ = 49958048. Its totient is φ = 14273724.

The previous prime is 28547447. The next prime is 28547459. The reversal of 28547452 is 25474582.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28547459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3568428 + ... + 3568435.

Almost surely, 2^28547452 is an apocalyptic number.

It is an amenable number.

28547452 is a deficient number, since it is larger than the sum of its proper divisors (21410596).

28547452 is a wasteful number, since it uses less digits than its factorization.

28547452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7136867 (or 7136865 counting only the distinct ones).

The product of its digits is 89600, while the sum is 37.

The square root of 28547452 is about 5342.9815646322. The cubic root of 28547452 is about 305.6251693633.

The spelling of 28547452 in words is "twenty-eight million, five hundred forty-seven thousand, four hundred fifty-two".