28290153 has 8 divisors (see below), whose sum is σ = 38338816. Its totient is φ = 18550800.

The previous prime is 28290151. The next prime is 28290169. The reversal of 28290153 is 35109282.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28290153 - 2¹ = 28290151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28290153.

It is not an unprimeable number, because it can be changed into a prime (28290151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77113 + ... + 77478.

It is an arithmetic number, because the mean of its divisors is an integer number (4792352).

Almost surely, 2^28290153 is an apocalyptic number.

It is an amenable number.

28290153 is a deficient number, since it is larger than the sum of its proper divisors (10048663).

28290153 is a wasteful number, since it uses less digits than its factorization.

28290153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154655.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 28290153 is about 5318.8488416198. The cubic root of 28290153 is about 304.7041940781.

The spelling of 28290153 in words is "twenty-eight million, two hundred ninety thousand, one hundred fifty-three".