28999153 has 4 divisors (see below), whose sum is σ = 29207920. Its totient is φ = 28790388.

The previous prime is 28999147. The next prime is 28999163. The reversal of 28999153 is 35199982.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28999153 - 2¹³ = 28990961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28999163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104175 + ... + 104452.

It is an arithmetic number, because the mean of its divisors is an integer number (7301980).

Almost surely, 2^28999153 is an apocalyptic number.

It is an amenable number.

28999153 is a deficient number, since it is larger than the sum of its proper divisors (208767).

28999153 is a wasteful number, since it uses less digits than its factorization.

28999153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208766.

The product of its digits is 174960, while the sum is 46.

The square root of 28999153 is about 5385.0861645846. The cubic root of 28999153 is about 307.2286914448.

The spelling of 28999153 in words is "twenty-eight million, nine hundred ninety-nine thousand, one hundred fifty-three".