28035956 has 12 divisors (see below), whose sum is σ = 52837092. Its totient is φ = 12939648.

The previous prime is 28035929. The next prime is 28035971. The reversal of 28035956 is 65953082.

It can be written as a sum of positive squares in 2 ways, for example, as 11356900 + 16679056 = 3370^2 + 4084^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269525 + ... + 269628.

It is an arithmetic number, because the mean of its divisors is an integer number (4403091).

Almost surely, 2^28035956 is an apocalyptic number.

28035956 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28035956 is a deficient number, since it is larger than the sum of its proper divisors (24801136).

28035956 is a wasteful number, since it uses less digits than its factorization.

28035956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539170 (or 539168 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 28035956 is about 5294.8990547507. The cubic root of 28035956 is about 303.7888220573.

The spelling of 28035956 in words is "twenty-eight million, thirty-five thousand, nine hundred fifty-six".