28030395 has 8 divisors (see below), whose sum is σ = 44848656. Its totient is φ = 14949536.

The previous prime is 28030393. The next prime is 28030397. The reversal of 28030395 is 59303082.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28030393) and next prime (28030397).

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

It is a cyclic number.

It is not a de Polignac number, because 28030395 - 2¹ = 28030393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28030393) 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 7 ways as a sum of consecutive naturals, for example, 934332 + ... + 934361.

It is an arithmetic number, because the mean of its divisors is an integer number (5606082).

Almost surely, 2^28030395 is an apocalyptic number.

28030395 is a deficient number, since it is larger than the sum of its proper divisors (16818261).

28030395 is a wasteful number, since it uses less digits than its factorization.

28030395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868701.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 28030395 is about 5294.3739006610. The cubic root of 28030395 is about 303.7687349788.

The spelling of 28030395 in words is "twenty-eight million, thirty thousand, three hundred ninety-five".