28265995 has 8 divisors (see below), whose sum is σ = 33958080. Its totient is φ = 22586880.

The previous prime is 28265983. The next prime is 28266059. The reversal of 28265995 is 59956282.

It is a happy number.

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

It is not a de Polignac number, because 28265995 - 2¹⁷ = 28134923 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, 2475 + ... + 7915.

It is an arithmetic number, because the mean of its divisors is an integer number (4244760).

Almost surely, 2^28265995 is an apocalyptic number.

28265995 is a deficient number, since it is larger than the sum of its proper divisors (5692085).

28265995 is a wasteful number, since it uses less digits than its factorization.

28265995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6485.

The product of its digits is 388800, while the sum is 46.

The square root of 28265995 is about 5316.5773764707. The cubic root of 28265995 is about 304.6174366799.

The spelling of 28265995 in words is "twenty-eight million, two hundred sixty-five thousand, nine hundred ninety-five".