28066346 has 32 divisors (see below), whose sum is σ = 54190080. Its totient is φ = 10580400.

The previous prime is 28066343. The next prime is 28066349. The reversal of 28066346 is 64366082.

It is an interprime number because it is at equal distance from previous prime (28066343) and next prime (28066349).

It is not an unprimeable number, because it can be changed into a prime (28066343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1835 + ... + 7713.

It is an arithmetic number, because the mean of its divisors is an integer number (1693440).

Almost surely, 2^28066346 is an apocalyptic number.

28066346 is a deficient number, since it is larger than the sum of its proper divisors (26123734).

28066346 is a wasteful number, since it uses less digits than its factorization.

28066346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5930.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 28066346 is about 5297.7680205913. The cubic root of 28066346 is about 303.8985479219.

The spelling of 28066346 in words is "twenty-eight million, sixty-six thousand, three hundred forty-six".