28295043 has 32 divisors (see below), whose sum is σ = 44997120. Its totient is φ = 15479040.

The previous prime is 28295041. The next prime is 28295051. The reversal of 28295043 is 34059282.

It is a happy number.

It is not a de Polignac number, because 28295043 - 2¹ = 28295041 is a prime.

It is a super-3 number, since 3×28295043³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28294995 and 28295013.

It is not an unprimeable number, because it can be changed into a prime (28295041) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 50521 + ... + 51077.

It is an arithmetic number, because the mean of its divisors is an integer number (1406160).

Almost surely, 2^28295043 is an apocalyptic number.

28295043 is a deficient number, since it is larger than the sum of its proper divisors (16702077).

28295043 is a wasteful number, since it uses less digits than its factorization.

28295043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 28295043 is about 5319.3085076916. The cubic root of 28295043 is about 304.7217492755.

The spelling of 28295043 in words is "twenty-eight million, two hundred ninety-five thousand, forty-three".