28530995 has 8 divisors (see below), whose sum is σ = 34719840. Its totient is φ = 22503040.

The previous prime is 28530979. The next prime is 28531051. The reversal of 28530995 is 59903582.

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

It is not a de Polignac number, because 28530995 - 2⁴ = 28530979 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39830 + ... + 40539.

It is an arithmetic number, because the mean of its divisors is an integer number (4339980).

Almost surely, 2^28530995 is an apocalyptic number.

28530995 is a deficient number, since it is larger than the sum of its proper divisors (6188845).

28530995 is an equidigital number, since it uses as much as digits as its factorization.

28530995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80445.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 28530995 is about 5341.4412848968. The cubic root of 28530995 is about 305.5664292672.

The spelling of 28530995 in words is "twenty-eight million, five hundred thirty thousand, nine hundred ninety-five".