28395142 has 8 divisors (see below), whose sum is σ = 42692832. Its totient is φ = 14164200.

The previous prime is 28395131. The next prime is 28395149. The reversal of 28395142 is 24159382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 28395098 and 28395107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28395149) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15609 + ... + 17332.

It is an arithmetic number, because the mean of its divisors is an integer number (5336604).

Almost surely, 2^28395142 is an apocalyptic number.

28395142 is a deficient number, since it is larger than the sum of its proper divisors (14297690).

28395142 is a wasteful number, since it uses less digits than its factorization.

28395142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33374.

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

The square root of 28395142 is about 5328.7092245684. The cubic root of 28395142 is about 305.0806630691.

The spelling of 28395142 in words is "twenty-eight million, three hundred ninety-five thousand, one hundred forty-two".