28030295 has 12 divisors (see below), whose sum is σ = 34004376. Its totient is φ = 22181040.

The previous prime is 28030279. The next prime is 28030319. The reversal of 28030295 is 59203082.

It is not a de Polignac number, because 28030295 - 2⁴ = 28030279 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132740 + ... + 132950.

It is an arithmetic number, because the mean of its divisors is an integer number (2833698).

Almost surely, 2^28030295 is an apocalyptic number.

28030295 is a deficient number, since it is larger than the sum of its proper divisors (5974081).

28030295 is an equidigital number, since it uses as much as digits as its factorization.

28030295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 28030295 is about 5294.3644566652. The cubic root of 28030295 is about 303.7683737411.

The spelling of 28030295 in words is "twenty-eight million, thirty thousand, two hundred ninety-five".