28061368 has 8 divisors (see below), whose sum is σ = 52615080. Its totient is φ = 14030680.

The previous prime is 28061359. The next prime is 28061377. The reversal of 28061368 is 86316082.

It is an interprime number because it is at equal distance from previous prime (28061359) and next prime (28061377).

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1753828 + ... + 1753843.

It is an arithmetic number, because the mean of its divisors is an integer number (6576885).

Almost surely, 2^28061368 is an apocalyptic number.

It is an amenable number.

28061368 is a deficient number, since it is larger than the sum of its proper divisors (24553712).

28061368 is a wasteful number, since it uses less digits than its factorization.

28061368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507677 (or 3507673 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 28061368 is about 5297.2981792608. The cubic root of 28061368 is about 303.8805798257.

The spelling of 28061368 in words is "twenty-eight million, sixty-one thousand, three hundred sixty-eight".