28929038 has 8 divisors (see below), whose sum is σ = 43575840. Its totient is φ = 14403760.

The previous prime is 28929029. The next prime is 28929041. The reversal of 28929038 is 83092982.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28928986 and 28929004.

It is a congruent number.

It is an unprimeable number.

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, 29783 + ... + 30738.

It is an arithmetic number, because the mean of its divisors is an integer number (5446980).

Almost surely, 2^28929038 is an apocalyptic number.

28929038 is a deficient number, since it is larger than the sum of its proper divisors (14646802).

28929038 is a wasteful number, since it uses less digits than its factorization.

28929038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60762.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 28929038 is about 5378.5721153481. The cubic root of 28929038 is about 306.9808827801.

The spelling of 28929038 in words is "twenty-eight million, nine hundred twenty-nine thousand, thirty-eight".