28261952 has 28 divisors (see below), whose sum is σ = 56418480. Its totient is φ = 14046336.

The previous prime is 28261951. The next prime is 28261967. The reversal of 28261952 is 25916282.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28261951) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10223 + ... + 12689.

Almost surely, 2^28261952 is an apocalyptic number.

It is an amenable number.

28261952 is a deficient number, since it is larger than the sum of its proper divisors (28156528).

28261952 is a wasteful number, since it uses less digits than its factorization.

28261952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658 (or 2648 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 28261952 is about 5316.1971370520. The cubic root of 28261952 is about 304.6029124312.

The spelling of 28261952 in words is "twenty-eight million, two hundred sixty-one thousand, nine hundred fifty-two".