28950843 has 4 divisors (see below), whose sum is σ = 38601128. Its totient is φ = 19300560.

The previous prime is 28950841. The next prime is 28950871. The reversal of 28950843 is 34805982.

It is a happy number.

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

It is not a de Polignac number, because 28950843 - 2¹ = 28950841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28950841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4825138 + ... + 4825143.

It is an arithmetic number, because the mean of its divisors is an integer number (9650282).

Almost surely, 2^28950843 is an apocalyptic number.

28950843 is a deficient number, since it is larger than the sum of its proper divisors (9650285).

28950843 is an equidigital number, since it uses as much as digits as its factorization.

28950843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9650284.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 28950843 is about 5380.5987585026. The cubic root of 28950843 is about 307.0579914287.

The spelling of 28950843 in words is "twenty-eight million, nine hundred fifty thousand, eight hundred forty-three".