28421050 has 24 divisors (see below), whose sum is σ = 60415776. Its totient is φ = 9744240.

The previous prime is 28421047. The next prime is 28421051. The reversal of 28421050 is 5012482.

It is not an unprimeable number, because it can be changed into a prime (28421051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40252 + ... + 40951.

It is an arithmetic number, because the mean of its divisors is an integer number (2517324).

Almost surely, 2^28421050 is an apocalyptic number.

28421050 is an abundant number, since it is smaller than the sum of its proper divisors (31994726).

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

28421050 is a wasteful number, since it uses less digits than its factorization.

28421050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81222 (or 81217 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 28421050 is about 5331.1396530198. The cubic root of 28421050 is about 305.1734210384.

The spelling of 28421050 in words is "twenty-eight million, four hundred twenty-one thousand, fifty".