28007365 has 8 divisors (see below), whose sum is σ = 33638688. Its totient is φ = 22386000.

The previous prime is 28007363. The next prime is 28007383. The reversal of 28007365 is 56370082.

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

It is not a de Polignac number, because 28007365 - 2¹ = 28007363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28007363) 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, 6990 + ... + 10240.

It is an arithmetic number, because the mean of its divisors is an integer number (4204836).

Almost surely, 2^28007365 is an apocalyptic number.

It is an amenable number.

28007365 is a deficient number, since it is larger than the sum of its proper divisors (5631323).

28007365 is a wasteful number, since it uses less digits than its factorization.

28007365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4979.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 28007365 is about 5292.1985034577. The cubic root of 28007365 is about 303.6855192318.

The spelling of 28007365 in words is "twenty-eight million, seven thousand, three hundred sixty-five".