28351452 has 48 divisors (see below), whose sum is σ = 67858560. Its totient is φ = 9210432.

The previous prime is 28351417. The next prime is 28351457. The reversal of 28351452 is 25415382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28351457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143818 + ... + 144014.

It is an arithmetic number, because the mean of its divisors is an integer number (1413720).

Almost surely, 2^28351452 is an apocalyptic number.

It is an amenable number.

28351452 is an abundant number, since it is smaller than the sum of its proper divisors (39507108).

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

28351452 is a wasteful number, since it uses less digits than its factorization.

28351452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 448 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 28351452 is about 5324.6081545969. The cubic root of 28351452 is about 304.9241126258.

The spelling of 28351452 in words is "twenty-eight million, three hundred fifty-one thousand, four hundred fifty-two".