28058313 has 8 divisors (see below), whose sum is σ = 39611808. Its totient is φ = 17605184.

The previous prime is 28058311. The next prime is 28058357. The reversal of 28058313 is 31385082.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28058313 - 2¹ = 28058311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28058311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275031 + ... + 275132.

It is an arithmetic number, because the mean of its divisors is an integer number (4951476).

Almost surely, 2^28058313 is an apocalyptic number.

It is an amenable number.

28058313 is a deficient number, since it is larger than the sum of its proper divisors (11553495).

28058313 is a wasteful number, since it uses less digits than its factorization.

28058313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550183.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 28058313 is about 5297.0098168684. The cubic root of 28058313 is about 303.8695517477.

The spelling of 28058313 in words is "twenty-eight million, fifty-eight thousand, three hundred thirteen".