28261352 has 16 divisors (see below), whose sum is σ = 60560160. Its totient is φ = 12111984.

The previous prime is 28261307. The next prime is 28261391. The reversal of 28261352 is 25316282.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252278 + ... + 252389.

It is an arithmetic number, because the mean of its divisors is an integer number (3785010).

Almost surely, 2^28261352 is an apocalyptic number.

It is an amenable number.

28261352 is an abundant number, since it is smaller than the sum of its proper divisors (32298808).

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

28261352 is a wasteful number, since it uses less digits than its factorization.

28261352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504680 (or 504676 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 28261352 is about 5316.1407054366. The cubic root of 28261352 is about 304.6007568472.

The spelling of 28261352 in words is "twenty-eight million, two hundred sixty-one thousand, three hundred fifty-two".