28108954 has 8 divisors (see below), whose sum is σ = 42193728. Its totient is φ = 14044380.

The previous prime is 28108931. The next prime is 28108991. The reversal of 28108954 is 45980182.

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

It is a super-2 number, since 2×28108954² = 1580226589948232, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 882 + ... + 7549.

It is an arithmetic number, because the mean of its divisors is an integer number (5274216).

Almost surely, 2^28108954 is an apocalyptic number.

28108954 is a deficient number, since it is larger than the sum of its proper divisors (14084774).

28108954 is a wasteful number, since it uses less digits than its factorization.

28108954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 28108954 is about 5301.7878116726. The cubic root of 28108954 is about 304.0522546947.

The spelling of 28108954 in words is "twenty-eight million, one hundred eight thousand, nine hundred fifty-four".