28304195 has 8 divisors (see below), whose sum is σ = 34190880. Its totient is φ = 22492800.

The previous prime is 28304161. The next prime is 28304197. The reversal of 28304195 is 59140382.

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

It is not a de Polignac number, because 28304195 - 2⁶ = 28304131 is a prime.

It is a super-2 number, since 2×28304195² = 1602254909196050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28304197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17990 + ... + 19499.

It is an arithmetic number, because the mean of its divisors is an integer number (4273860).

Almost surely, 2^28304195 is an apocalyptic number.

28304195 is a deficient number, since it is larger than the sum of its proper divisors (5886685).

28304195 is a wasteful number, since it uses less digits than its factorization.

28304195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37645.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 28304195 is about 5320.1687003327. The cubic root of 28304195 is about 304.7545997036.

The spelling of 28304195 in words is "twenty-eight million, three hundred four thousand, one hundred ninety-five".