28366342 has 32 divisors (see below), whose sum is σ = 45559584. Its totient is φ = 13228800.

The previous prime is 28366313. The next prime is 28366343. The reversal of 28366342 is 24366382.

It is a junction number, because it is equal to n+sod(n) for n = 28366298 and 28366307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28366343) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 265053 + ... + 265159.

It is an arithmetic number, because the mean of its divisors is an integer number (1423737).

Almost surely, 2^28366342 is an apocalyptic number.

28366342 is a deficient number, since it is larger than the sum of its proper divisors (17193242).

28366342 is a wasteful number, since it uses less digits than its factorization.

28366342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264.

The product of its digits is 41472, while the sum is 34.

The square root of 28366342 is about 5326.0061960159. The cubic root of 28366342 is about 304.9774846767.

The spelling of 28366342 in words is "twenty-eight million, three hundred sixty-six thousand, three hundred forty-two".