28409068 has 24 divisors (see below), whose sum is σ = 51128000. Its totient is φ = 13804560.

The previous prime is 28408999. The next prime is 28409089. The reversal of 28409068 is 86090482.

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, 56683 + ... + 57181.

Almost surely, 2^28409068 is an apocalyptic number.

It is an amenable number.

28409068 is a deficient number, since it is larger than the sum of its proper divisors (22718932).

28409068 is a wasteful number, since it uses less digits than its factorization.

28409068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 28409068 is about 5330.0157598266. The cubic root of 28409068 is about 305.1305290984.

The spelling of 28409068 in words is "twenty-eight million, four hundred nine thousand, sixty-eight".