28247562 has 32 divisors (see below), whose sum is σ = 71740800. Its totient is φ = 8070624.

The previous prime is 28247561. The next prime is 28247567. The reversal of 28247562 is 26574282.

It is not an unprimeable number, because it can be changed into a prime (28247561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36987 + ... + 37742.

It is an arithmetic number, because the mean of its divisors is an integer number (2241900).

Almost surely, 2^28247562 is an apocalyptic number.

28247562 is an abundant number, since it is smaller than the sum of its proper divisors (43493238).

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

28247562 is a wasteful number, since it uses less digits than its factorization.

28247562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74747 (or 74741 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 28247562 is about 5314.8435536712. The cubic root of 28247562 is about 304.5512059290.

The spelling of 28247562 in words is "twenty-eight million, two hundred forty-seven thousand, five hundred sixty-two".