28633245 has 8 divisors (see below), whose sum is σ = 45813216. Its totient is φ = 15271056.

The previous prime is 28633223. The next prime is 28633249. The reversal of 28633245 is 54233682.

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 28633245 - 2⁹ = 28632733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28633249) 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, 954427 + ... + 954456.

It is an arithmetic number, because the mean of its divisors is an integer number (5726652).

Almost surely, 2^28633245 is an apocalyptic number.

It is an amenable number.

28633245 is a deficient number, since it is larger than the sum of its proper divisors (17179971).

28633245 is a wasteful number, since it uses less digits than its factorization.

28633245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908891.

The product of its digits is 34560, while the sum is 33.

The square root of 28633245 is about 5351.0041113795. The cubic root of 28633245 is about 305.9310259338.

The spelling of 28633245 in words is "twenty-eight million, six hundred thirty-three thousand, two hundred forty-five".