28633546 has 4 divisors (see below), whose sum is σ = 42950322. Its totient is φ = 14316772.

The previous prime is 28633543. The next prime is 28633567. The reversal of 28633546 is 64533682.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24117921 + 4515625 = 4911^2 + 2125^2 .

It is not an unprimeable number, because it can be changed into a prime (28633543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7158385 + ... + 7158388.

Almost surely, 2^28633546 is an apocalyptic number.

28633546 is a deficient number, since it is larger than the sum of its proper divisors (14316776).

28633546 is a wasteful number, since it uses less digits than its factorization.

28633546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14316775.

The product of its digits is 103680, while the sum is 37.

The square root of 28633546 is about 5351.0322368679. The cubic root of 28633546 is about 305.9320979385.

The spelling of 28633546 in words is "twenty-eight million, six hundred thirty-three thousand, five hundred forty-six".