28108382 has 16 divisors (see below), whose sum is σ = 44702592. Its totient is φ = 13232160.

The previous prime is 28108343. The next prime is 28108393. The reversal of 28108382 is 28380182.

It is a super-2 number, since 2×28108382² = 1580162277315848, which contains 22 as substring.

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, 3833 + ... + 8420.

It is an arithmetic number, because the mean of its divisors is an integer number (2793912).

Almost surely, 2^28108382 is an apocalyptic number.

28108382 is a deficient number, since it is larger than the sum of its proper divisors (16594210).

28108382 is a wasteful number, since it uses less digits than its factorization.

28108382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12323.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 28108382 is about 5301.7338673306. The cubic root of 28108382 is about 304.0501922550.

The spelling of 28108382 in words is "twenty-eight million, one hundred eight thousand, three hundred eighty-two".