28306483 has 4 divisors (see below), whose sum is σ = 28321488. Its totient is φ = 28291480.

The previous prime is 28306463. The next prime is 28306507. The reversal of 28306483 is 38460382.

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 28306483 - 2⁹ = 28305971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28306463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4183 + ... + 8608.

It is an arithmetic number, because the mean of its divisors is an integer number (7080372).

Almost surely, 2^28306483 is an apocalyptic number.

28306483 is a deficient number, since it is larger than the sum of its proper divisors (15005).

28306483 is a wasteful number, since it uses less digits than its factorization.

28306483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15004.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 28306483 is about 5320.3837267626. The cubic root of 28306483 is about 304.7628112041.

The spelling of 28306483 in words is "twenty-eight million, three hundred six thousand, four hundred eighty-three".