28659955 has 8 divisors (see below), whose sum is σ = 35887392. Its totient is φ = 21931008.

The previous prime is 28659949. The next prime is 28659959. The reversal of 28659955 is 55995682.

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

It is a cyclic number.

It is not a de Polignac number, because 28659955 - 2¹¹ = 28657907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28659899 and 28659908.

It is not an unprimeable number, because it can be changed into a prime (28659959) 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, 124494 + ... + 124723.

It is an arithmetic number, because the mean of its divisors is an integer number (4485924).

Almost surely, 2^28659955 is an apocalyptic number.

28659955 is a deficient number, since it is larger than the sum of its proper divisors (7227437).

28659955 is a wasteful number, since it uses less digits than its factorization.

28659955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249245.

The product of its digits is 972000, while the sum is 49.

The square root of 28659955 is about 5353.4993228728. The cubic root of 28659955 is about 306.0261237611.

The spelling of 28659955 in words is "twenty-eight million, six hundred fifty-nine thousand, nine hundred fifty-five".