28529452 has 24 divisors (see below), whose sum is σ = 57316896. Its totient is φ = 12171648.

The previous prime is 28529443. The next prime is 28529461. The reversal of 28529452 is 25492582.

It is an interprime number because it is at equal distance from previous prime (28529443) and next prime (28529461).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4338 + ... + 8710.

It is an arithmetic number, because the mean of its divisors is an integer number (2388204).

Almost surely, 2^28529452 is an apocalyptic number.

It is an amenable number.

28529452 is an abundant number, since it is smaller than the sum of its proper divisors (28787444).

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

28529452 is a wasteful number, since it uses less digits than its factorization.

28529452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4617 (or 4615 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 28529452 is about 5341.2968462724. The cubic root of 28529452 is about 305.5609206674.

The spelling of 28529452 in words is "twenty-eight million, five hundred twenty-nine thousand, four hundred fifty-two".