28645355 has 8 divisors (see below), whose sum is σ = 34404000. Its totient is φ = 22896576.

The previous prime is 28645349. The next prime is 28645367. The reversal of 28645355 is 55354682.

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 28645355 - 2⁴ = 28645339 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7871 + ... + 10919.

It is an arithmetic number, because the mean of its divisors is an integer number (4300500).

Almost surely, 2^28645355 is an apocalyptic number.

28645355 is a deficient number, since it is larger than the sum of its proper divisors (5758645).

28645355 is a wasteful number, since it uses less digits than its factorization.

28645355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4933.

The product of its digits is 144000, while the sum is 38.

The square root of 28645355 is about 5352.1355550845. The cubic root of 28645355 is about 305.9741494958.

The spelling of 28645355 in words is "twenty-eight million, six hundred forty-five thousand, three hundred fifty-five".