28353830 has 8 divisors (see below), whose sum is σ = 51036912. Its totient is φ = 11341528.

The previous prime is 28353817. The next prime is 28353859. The reversal of 28353830 is 3835382.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1417682 + ... + 1417701.

It is an arithmetic number, because the mean of its divisors is an integer number (6379614).

Almost surely, 2^28353830 is an apocalyptic number.

28353830 is a deficient number, since it is larger than the sum of its proper divisors (22683082).

28353830 is a wasteful number, since it uses less digits than its factorization.

28353830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835390.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 28353830 is about 5324.8314527316. The cubic root of 28353830 is about 304.9326376362.

The spelling of 28353830 in words is "twenty-eight million, three hundred fifty-three thousand, eight hundred thirty".