28215095 has 16 divisors (see below), whose sum is σ = 36474240. Its totient is φ = 20883744.

The previous prime is 28215073. The next prime is 28215097. The reversal of 28215095 is 59051282.

It is a cyclic number.

It is not a de Polignac number, because 28215095 - 2¹⁶ = 28149559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28215097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 632 + ... + 7538.

It is an arithmetic number, because the mean of its divisors is an integer number (2279640).

Almost surely, 2^28215095 is an apocalyptic number.

28215095 is a deficient number, since it is larger than the sum of its proper divisors (8259145).

28215095 is a wasteful number, since it uses less digits than its factorization.

28215095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6974.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 28215095 is about 5311.7883052697. The cubic root of 28215095 is about 304.4344801657.

The spelling of 28215095 in words is "twenty-eight million, two hundred fifteen thousand, ninety-five".