28910356 has 12 divisors (see below), whose sum is σ = 52792992. Its totient is φ = 13826648.

The previous prime is 28910351. The next prime is 28910359. The reversal of 28910356 is 65301982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28910351) 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 3 ways as a sum of consecutive naturals, for example, 157030 + ... + 157213.

It is an arithmetic number, because the mean of its divisors is an integer number (4399416).

Almost surely, 2^28910356 is an apocalyptic number.

It is an amenable number.

28910356 is a deficient number, since it is larger than the sum of its proper divisors (23882636).

28910356 is a wasteful number, since it uses less digits than its factorization.

28910356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314270 (or 314268 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 28910356 is about 5376.8351285863. The cubic root of 28910356 is about 306.9147871172.

The spelling of 28910356 in words is "twenty-eight million, nine hundred ten thousand, three hundred fifty-six".