28307367 has 16 divisors (see below), whose sum is σ = 45749760. Its totient is φ = 17155800.

The previous prime is 28307341. The next prime is 28307381. The reversal of 28307367 is 76370382.

It is not a de Polignac number, because 28307367 - 2¹⁶ = 28241831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28307267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47359 + ... + 47952.

It is an arithmetic number, because the mean of its divisors is an integer number (2859360).

Almost surely, 2^28307367 is an apocalyptic number.

28307367 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

28307367 is a deficient number, since it is larger than the sum of its proper divisors (17442393).

28307367 is a wasteful number, since it uses less digits than its factorization.

28307367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95331 (or 95325 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 28307367 is about 5320.4668028285. The cubic root of 28307367 is about 304.7659837108.

The spelling of 28307367 in words is "twenty-eight million, three hundred seven thousand, three hundred sixty-seven".