28935838 has 8 divisors (see below), whose sum is σ = 44115480. Its totient is φ = 14230680.

The previous prime is 28935799. The next prime is 28935839. The reversal of 28935838 is 83853982.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28935839) 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, 118468 + ... + 118711.

It is an arithmetic number, because the mean of its divisors is an integer number (5514435).

Almost surely, 2^28935838 is an apocalyptic number.

28935838 is a deficient number, since it is larger than the sum of its proper divisors (15179642).

28935838 is a wasteful number, since it uses less digits than its factorization.

28935838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237242.

The product of its digits is 414720, while the sum is 46.

The square root of 28935838 is about 5379.2042162387. The cubic root of 28935838 is about 307.0049336601.

The spelling of 28935838 in words is "twenty-eight million, nine hundred thirty-five thousand, eight hundred thirty-eight".