28980935 has 8 divisors (see below), whose sum is σ = 34902576. Its totient is φ = 23101120.

The previous prime is 28980907. The next prime is 28980949. The reversal of 28980935 is 53908982.

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

It is not a de Polignac number, because 28980935 - 2¹⁶ = 28915399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8909 + ... + 11718.

It is an arithmetic number, because the mean of its divisors is an integer number (4362822).

Almost surely, 2^28980935 is an apocalyptic number.

28980935 is a deficient number, since it is larger than the sum of its proper divisors (5921641).

28980935 is a wasteful number, since it uses less digits than its factorization.

28980935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20913.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 28980935 is about 5383.3943752989. The cubic root of 28980935 is about 307.1643416942.

The spelling of 28980935 in words is "twenty-eight million, nine hundred eighty thousand, nine hundred thirty-five".