28384958 has 8 divisors (see below), whose sum is σ = 48659952. Its totient is φ = 12164976.

The previous prime is 28384943. The next prime is 28384969. The reversal of 28384958 is 85948382.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013735 + ... + 1013762.

It is an arithmetic number, because the mean of its divisors is an integer number (6082494).

Almost surely, 2^28384958 is an apocalyptic number.

28384958 is a deficient number, since it is larger than the sum of its proper divisors (20274994).

28384958 is a wasteful number, since it uses less digits than its factorization.

28384958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027506.

The product of its digits is 552960, while the sum is 47.

The square root of 28384958 is about 5327.7535603667. The cubic root of 28384958 is about 305.0441860198.

The spelling of 28384958 in words is "twenty-eight million, three hundred eighty-four thousand, nine hundred fifty-eight".