28011336 has 16 divisors (see below), whose sum is σ = 70028400. Its totient is φ = 9337104.

The previous prime is 28011329. The next prime is 28011343. The reversal of 28011336 is 63311082.

It is an interprime number because it is at equal distance from previous prime (28011329) and next prime (28011343).

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1167139 = 28011336 / (2 + 8 + 0 + 1 + 1 + 3 + 3 + 6).

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, 583546 + ... + 583593.

It is an arithmetic number, because the mean of its divisors is an integer number (4376775).

Almost surely, 2^28011336 is an apocalyptic number.

It is an amenable number.

28011336 is an abundant number, since it is smaller than the sum of its proper divisors (42017064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28011336 is a wasteful number, since it uses less digits than its factorization.

28011336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167148 (or 1167144 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 28011336 is about 5292.5736650518. The cubic root of 28011336 is about 303.6998711497.

The spelling of 28011336 in words is "twenty-eight million, eleven thousand, three hundred thirty-six".