28961153 has 16 divisors (see below), whose sum is σ = 32289600. Its totient is φ = 25807680.

The previous prime is 28961147. The next prime is 28961173. The reversal of 28961153 is 35116982.

It is a cyclic number.

It is not a de Polignac number, because 28961153 - 2⁴ = 28961137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28961123) 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 15 ways as a sum of consecutive naturals, for example, 46478 + ... + 47096.

It is an arithmetic number, because the mean of its divisors is an integer number (2018100).

Almost surely, 2^28961153 is an apocalyptic number.

It is an amenable number.

28961153 is a deficient number, since it is larger than the sum of its proper divisors (3328447).

28961153 is a wasteful number, since it uses less digits than its factorization.

28961153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752.

The product of its digits is 12960, while the sum is 35.

The square root of 28961153 is about 5381.5567450321. The cubic root of 28961153 is about 307.0944370245.

The spelling of 28961153 in words is "twenty-eight million, nine hundred sixty-one thousand, one hundred fifty-three".