28351367 has 4 divisors (see below), whose sum is σ = 30928776. Its totient is φ = 25773960.

The previous prime is 28351339. The next prime is 28351373. The reversal of 28351367 is 76315382.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28351367 - 2¹⁴ = 28334983 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 (28351567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288688 + ... + 1288709.

It is an arithmetic number, because the mean of its divisors is an integer number (7732194).

Almost surely, 2^28351367 is an apocalyptic number.

28351367 is a deficient number, since it is larger than the sum of its proper divisors (2577409).

28351367 is a wasteful number, since it uses less digits than its factorization.

28351367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577408.

The product of its digits is 30240, while the sum is 35.

The square root of 28351367 is about 5324.6001727829. The cubic root of 28351367 is about 304.9238078963.

The spelling of 28351367 in words is "twenty-eight million, three hundred fifty-one thousand, three hundred sixty-seven".