28929950 has 24 divisors (see below), whose sum is σ = 61497552. Its totient is φ = 9918720.

The previous prime is 28929889. The next prime is 28929977. The reversal of 28929950 is 5992982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40979 + ... + 41678.

It is an arithmetic number, because the mean of its divisors is an integer number (2562398).

Almost surely, 2^28929950 is an apocalyptic number.

28929950 is an abundant number, since it is smaller than the sum of its proper divisors (32567602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28929950 is a wasteful number, since it uses less digits than its factorization.

28929950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82676 (or 82671 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 28929950 is about 5378.6568955456. The cubic root of 28929950 is about 306.9841086463.

The spelling of 28929950 in words is "twenty-eight million, nine hundred twenty-nine thousand, nine hundred fifty".