28333436 has 12 divisors (see below), whose sum is σ = 49622328. Its totient is φ = 14155632.

The previous prime is 28333423. The next prime is 28333469. The reversal of 28333436 is 63433382.

It is a congruent number.

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, 6215 + ... + 9761.

It is an arithmetic number, because the mean of its divisors is an integer number (4135194).

Almost surely, 2^28333436 is an apocalyptic number.

It is an amenable number.

28333436 is a deficient number, since it is larger than the sum of its proper divisors (21288892).

28333436 is a wasteful number, since it uses less digits than its factorization.

28333436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5548 (or 5546 counting only the distinct ones).

The product of its digits is 31104, while the sum is 32.

The square root of 28333436 is about 5322.9161180691. The cubic root of 28333436 is about 304.8595106806.

The spelling of 28333436 in words is "twenty-eight million, three hundred thirty-three thousand, four hundred thirty-six".