28622950 has 24 divisors (see below), whose sum is σ = 54480888. Its totient is φ = 11182080.

The previous prime is 28622947. The next prime is 28622981. The reversal of 28622950 is 5922682.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4507 + ... + 8806.

It is an arithmetic number, because the mean of its divisors is an integer number (2270037).

Almost surely, 2^28622950 is an apocalyptic number.

28622950 is a deficient number, since it is larger than the sum of its proper divisors (25857938).

28622950 is a wasteful number, since it uses less digits than its factorization.

28622950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13368 (or 13363 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 28622950 is about 5350.0420559095. The cubic root of 28622950 is about 305.8943560016.

The spelling of 28622950 in words is "twenty-eight million, six hundred twenty-two thousand, nine hundred fifty".