28114646 has 8 divisors (see below), whose sum is σ = 48196560. Its totient is φ = 12049128.

The previous prime is 28114637. The next prime is 28114649. The reversal of 28114646 is 64641182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28114649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004081 + ... + 1004108.

It is an arithmetic number, because the mean of its divisors is an integer number (6024570).

Almost surely, 2^28114646 is an apocalyptic number.

28114646 is a deficient number, since it is larger than the sum of its proper divisors (20081914).

28114646 is a wasteful number, since it uses less digits than its factorization.

28114646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008198.

The product of its digits is 9216, while the sum is 32.

The square root of 28114646 is about 5302.3245845572. The cubic root of 28114646 is about 304.0727766089.

The spelling of 28114646 in words is "twenty-eight million, one hundred fourteen thousand, six hundred forty-six".